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141

L-N-22759133C

September 1988

MIL-i4-22759/33B

15 July 1986

MILITARY SPECIFICATION SHEET

WIRE, ELECTRICAL, FLUOROPOLYMER- INSULATCD, CR13SSLINKE0M~OIF IEO

ETFE, LIGHTUEIGHT, SILVER-COATEO. HIGH-STRENGTH cOPpER ALLOy . 200 C . 600 qoLT

This specification is approved for use by all Depart-

ments and hgencies of the Department of Oefense.

The requirements for acqui ring the wire described herein shall

consist of this.specification and the latest issue of MIL-14-22759.

SMALL 01A14ETERCOIIDUCTOR- SILVER

COATEO IIIGII STRENGTN COPPER ALLOY

“%

INSULATIOII- CROSSLINKEO,

EXTRUOEO, NOOIFIEO ETFE*

““”’.:’.

iiEiE3

,’ ETFE - Ethylene-tetrafluoroethylene,copolymer,

.,.,..

~“

F{GURE 1.

iguration.

General Con””f

,,.

TABLE 1.

Construction details.

!,,

. .. .

. . . .

I Diameter

Resistance I

Stranding

“’

Iof strandec

Part no. ~/ IiflreI

t 20”C (68”F)I Oiameter

(number of

I conductor

ohms/lDOO ft)I [inches)

[siZe [ strands x AUG I (tnches)

(ma.)

Igauge of strands)l[minlI(maxl

7x38

f1227s9/33-30-*

i 30

i.oll i.olz

7x36

H22759/33-2B-’ I 28 I

1.014 1.016

19 x 38

14227 9/33-26-’ I 26 I

1.018

1.020

M22759/33-24-* I 24 I

;; ; ;$

1.023 1.025

A422759/33-22-*I .22 I

I.029 I

.031

M22759/33-20-*

[.037 {.039

Melght

lbs/1000 ftl

(mdx)

-.66

.91

;::

2.9

4.4

Part number: The asterisks in tNe part number column, tables 1 and 11, shal1 be replaced

by color code designators in accordance with MIL-STO-681. Examples: Size 20, white -

1422759/33-20-9;white with orange stripe - N22759/33-20-93. Printing of color code designator

on surface of wire insulation is not required.

~. @

demtes changes

AMSC II(A

FSC 6145

l“of “5 “’

OISTRIRUTIOH STATEMENT .4. .4pvr0v@dfOr public release: distribution is unlimited.

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MI L-U-22759/33C

TABLE

II.

Performance details.

Part no.

Send testing

Mandrel dlameter

Test 1oad

(Ibsl (43%)

[inches) [*3%)

I Cross llntlng pros;, I c ld I Lrossllnklng proof,

I” immersion and

I b~nd I fm’mersionand

I 1ife cycle tests

I test I life cycle tests

.250

.2s0

.375

.37s

.$00

.Soo

.375

.s00

.500

.750

.7s0

[

.12s

.125

.12s

.250

.375

.500

Id T

I b&d I

I test 1

I .500

I .s00

I .500

11.00

lM22759/33-30-* I

lM227S9/33-213-*[

[M227S9/33-26-* I

[M22759/33-24-* I

lM227S9/33-22-* I

lf4227s9/33-20-*I

RATINGS:

Temperature rating: ZOO-C (392-F) maximum continuous conductor temperature.

Voltage rating: 600 volts (rms) at sea level.

AOOITIONAL REOUIRSMENTS:

Acid resistanc~: N? requirement.

Blocking: 230 C :3 C (446-F *5.4-F).

Color: In accordance with MIL-STD-104, cIass 1; white preferred. Conformity of color to the limits

of MIL-STO-1O4 shall not be reajired after crnsslinkfng proof test or life cycle oven exposure.

Color striping or banding durability: 125 cycles (2S0 strokes) (rein),S00 grams weight.

Crosslinking proof test: 7 hours at 300”C *3-C (572-F *S.4”F). Quality conformance test, group 11.

Requirements and procedures as for life cycle except for time and temperature.

Dielectric test after frmnersfon: 2,S00 volts [rm$,),60 Hz.

Flammability: Quality conformance test, group

II.

For requirements and procedures see below.

Humidfty resistance: After humidity exposure, wire shall

ueet

the requirements for Initial

insulation resistance.

Identification of product: Not required for size 24 and smalIer. Color code designator not

required.

Identification durability: 12S cycles (250 strokes) (rein),500 grams weight.

Imnersion: For procedure see below.

Impulse dielectric test: 8.o kilovolts (peak),

iOO

percent test.

Insulation resistance, initfal : S,000 megohms for 1,000 feet (rein).

Insulation thickness: 0.005 fnch \min).

Life cycle: S00 hours at 230”C

C [446°F *5.4”F]. Dielectric test, 2,S00 volts (nns), 60 Nz.

Procedurs to use mandrels coated with polytetmfluomethylene

in the form of either &amel or

wrapped tape, such that the diameter of the mandrels, after coating, stil1 conform to the

requirements of performance details, tsble 11.

Low temperature (cold bend):

Bend temperature, -65-C ,3-C (.4j”F *S.4”F).

Dielectric test, 2,5oo volts (rms), 60 Hz.

Physical properties of lnsulatlo q : Pulled at 2 fnches per

uinute.

Tensile strength, S,000 lbf/in (rein).

Elon ation, 7S percent (mini.

prOPel1ant resistance: No dielectric breakdown. For ?mcedure see belOW.

Shrfnkage: 0.12S inch [max) at 23o”C *3-C (446°F *5.4 F).

Smoke: 250”C *5°C (482 F *9”F); no visible smoke,

Solderability: All .xmd”ctor. shall be tested in accordance with MIL-STO-202, method 208 without

steam aging.

Spark teSt of primary insulation: Not applicable.

Surface r.isitance: 500 megohms . inches (rein),initial and final readings.

Thermal shock resistance:

OVen temperature, 200”C *3-C (392°F 45.4-F).

Maximum change in measurement, 0.060 inch.

W{cking: Not applfcable.

Wire length n?quir.ments: Schedule 8.

Urap test:

Urap back test.

Oven temperature, 313”r,*;”c (!j95°F,5.4-F).

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MIL-U-22759133C

TABLE 111.

Test fluid

Imnersion test fluids.

Test temper~ture

1 Inmerslon I

time

~ 20 hours I

IMIL-L-23699, Lubricating Oil. Aircraft

lTurbine Engine, Synthetic Base

IMIL-H-5606, Hydraulic Fluid. pet~le~

lBase, Aircraft, Missile, and Ordnance

[TT-I-735, Isapmpyl

Alcohol

I 48°C to 50”C (llB”F to 122”F)

I 4B-C to 50”C (llB”F’to 122-F)

I 20”C to 25°C (68°F to 77-F)

~ 20”C to 25-C

(6B”F to

77”F)

20 hours i

I c

{ d

\ 168 hours ~

~ 16B hours \

20 hours I

IMIL-T-5624, Turbine Fuel, Aviation;

lGrade JP-4

I141L-A-8243,

Anti-Icing and Oeicing-

10efmstfng Fluid, undiluted

IMIL-A-8243, Anti-Icfng and Oefcing-

10efrosting Fluid, diluted 60/40

l(fluid/water) ratfo

IMIL-C-43616, CleariingCampound,

lAircraft Surface

AB”C to 50”C (118°F to 122-F)

I 4k3”ctO 50”c (llB”F

122”F)

\ 48°C to 50”C (118-F to 122”F)

I 20”C to 25°C (68°F to 77”F)

20 hours ~

20 hours !

I h

[TT.14-268,,

Methyl 2sobutyl Ketone

I(For Use {n Organic Coatings)

i. 15AE-AS-1241, Fire Resistant Hydraul fc

IFluid for Aircraft

IMIL-L-7808, Lubricating Oil, Aircraft

lTurbine Engine. Synthetic Base

I 168 hours ~

I j

‘1

I 48°C to 50”C

(118°F to

122”F)

118’C to 121°C ( 244°F to 250”F)

20 hours

\ 30

minutes\

20 hours !

20 hours I

IMIL-C-25769, Cleanfng Compound, Aircraft ~ 63-C to 68-C (145-F to 154”F)

lSurface, Alkal Ine Uaterbase, undiluted

I 63-C to 68-C (14S”F to 154”FI

IMIL-C:25769, Cleaning Compound,

lAtrcraft Surface, Alkaline Waterbase,

Idfluted 25/75 (fluid/water) ratio

ITT-s-735, Standard Test Fluids;

lHydmcarbon, Type I

17_f-S-735,

Standard Test Fluids;

IHydrocarbon, Type 1I

177-S-735, Standard Test Fluids;

lHydmcarbon, Type 111

1T7-S-735, Standard Test fluids;

lHydmcarbon, Type VII

10ielectric-coolant fluid, synthetic

isilicats ester base, Monsanto Coolanol

125 or equivalent

I141L-T-81533,1,1,1 Trichlomethane

l(Methyl Chlomfonn) Inhibited, Vapor

10egreasing

lAzeotmpe of trichlorotrifluomethane

land methylene chloride, Oupont Freon

ITMC or equivalent

I 20”C to 25°C (68°F to 77-F)

I 20”c,to 25”C.(68°F ta 77.F)

i 20”C to 25-C (68°F to 77”F)

I 2U-C to 25-C (68-F to 77-F)

I 20”C to 25-C (68-F to 77-F)

j ,20”C to 25°C (68-F to 77*F)

I iO”C to 25-C (68°F to 77”F)

I m

I 168 hours \

I 168 hour’s I

I 168 hours I

I 168 hours !

. I

\ 168 hours I

I P

I q

I 168 hours \

I 16B hours \

~ 168 hours I

~t41L-G-3056,

Gasoljne, Automotive, Combat ~ 20;C to 25-C (68-F to 77-F)

1“

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MIL-w-22759/33C

F1mmnaoiIity r’e@irements and procedure:

The flammability test of MIL-N-22759 shall be modified for the

wire

of this specification sheet as

follows: The specified test burner shall be used without the wing top flame spreader and shall be

adjusted to furnis~ a 3-!nch conical f~ame with an inner cone approximately 1 inch in height and a

temperature of 955 C +30 C (1751 F *54 F) at its hottest point. A sheet of facial tissue conforming

to UU-T-450 shall be suspended taut and horizontal 9-1/2 inches .bel the marked POint On the wire

spec~rnenin the test chamber and at least 1/2 inch above

the

floor of the chamber. The period

aPPIlcatiQn Of the hot flame tip to

the

marked point on the wire specimen shal1 be 30 seconds for

all sizes of wtre. Observations shal1 fnclude time of burning after removal of the test flame,

final distance of flame travel on the wire above the test mark, and presence or absence of flame in

the facial tissue due to incendiary drip from the specimen. Requirements shall be:

Ouratfon of after-flame

Flame travel

No flaming of tissue

3 seconds (max)

3.0 inches (max)

Breaking of the wire specimen in size 24 or smali>r shall not be considered as failure provided the

requirements for duration of flame, final distance of flame travel, and absence of incendiary

dripping are met.

One specimen shal1 be tested from each sample unit. The post-flame dielectric test of MIL-!4-22759

is not required for wire of this specification sheet.

hnmersion precedure:

A 24-inch specimen, for each test fluid in table 511, shall Rave its diameter measured and shall

then be inunersedto within 6 inches of each end for ,the time and temperature specified. During

immersion, the radius of bend of the wire shall be not less than’14 nor mare than 35 times the

spacified maximum diameter of the wire under test. Upon removal fram the test fluid, the specimen

shall be wiped .dry and then remain for 1 hour in free air at room temperature. The diameter shall

be measured and compared to the initial diameter.’ The insulation shall be removed for a distance of

1/2 inch from each end of the specimen. The specimen shal1 then be subjected to the bend test and

dielectric test specified in the procedure for 1Ife cycle testing.

Propellant resistance procedure:

(Initial qualification test only)

Specimens of finished wire, 24 inches long, shill be innnersedto within 1.1/2 inches of each end in

the following propellants for the specified time at normal room temperature, using a separate

specimen for each propellant.

Propellant

MIL-P-26536, Propellant, Hydrazine

MIL.P-26539, Propellant, Nitrogen Tetroxide

MIL-P-27402, Propellant, Hydrazine - Uns-

Ofmethylhydrazine (50 percent N2H4 -

50 percent UOMH )

Inmersion time

30 minutes

1 minute

30 minutes

Ouring inznersion,the radius of bend of the wire shall be not less than 14 nor more than 35 times

the specified maximum dfameter of the wire under test. Upon removal from the 1iquids, the specimens

shal1 remain for no more than 48 hours in free air at room temperature. The insulsfon shall be

removed for a distdnce of 1 inch from each end of the specimens, and the specimens shall be

subjected to the dielectric test specified for’1ife cycle testing.

Oualifying activity: The activity responsible for the qualiffed products covered by this

specification sheet is Naval Avionics Center, Code 8/714, 6000 East 21st Street, Indianapolis, IN

46219-2189.

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!411--,A-2Z759I33C

CONCLUOItiGMATERIAL

Custodians:

Army - AV

NaVy - AS

Air Force - 85

Review actfvities:

WF:r%.”;l,

OLA - ES, IS

19,

70,

Preparing activity:

Air Force - 85

Agent:

DLA - Es

(Project 6145-1103-02 \

User activities:

Navy - EC, OS, SH

.,, ...,

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