Series 74 Helical Convoluted Tubing (MIL-T-81914) Natural or
Black PFA, FEP, PTFE, Tefzel
®
(ETFE) or PEEK
121-102-1-1-16 B E T S
Product
Series
Basic No.
Class
1 = Standard Wall
2 = Thin Wall *
Convolution
1 = Standard
2 = Close
Dash No. (Table I)
Color
B = Black, C = Natural
OUTER SHIELD
INNER SHIELD
TUBING
Outer Shield
N = Nickel/Copper
S = SnCuFe
T = Tin/Copper
C = Stainless Steel
Inner Shield
N = Nickel/Copper
S = SnCuFe
T = Tin/Copper
Material
E = ETFE
F = FEP
K = PEEK ***
TYPE
E
TWO
EXTERNAL
SHIELDS
P = PFA
T = PTFE**
A DIA
B DIA
LENGTH
(AS SPECIFIED IN FEET)
MINIMUM
BEND RADIUS
TABLE I
DASH FRACTIONAL
A INSIDE
B DIA
MINIMUM
NO.
SIZE REF
DIA MIN
MAX
BEND RADIUS *
06
3/16
.181 (4.6)
.420 (10.7)
.50 (12.7)
09
9/32
.273 (6.9)
.514 (13.1)
.75 (19.1)
10
5/16
.306 (7.8)
.550 (14.0)
.75 (19.1)
12
3/8
.359 (9.1)
.610 (15.5)
.88 (22.4)
14
7/16
.427 (10.8)
.671 (17.0)
1.00 (25.4)
16
1/2
.480 (12.2)
.750 (19.1)
1.25 (31.8)
20
5/8
.603 (15.3)
.870 (22.1)
1.50 (38.1)
24
3/4
.725 (18.4)
1.030 (26.2)
1.75 (44.5)
28
7/8
.860 (21.8)
1.173 (29.8)
1.88 (47.8)
32
1
.970 (24.6)
1.326 (33.7)
2.25 (57.2)
40
1 1/4
1.205 (30.6)
1.639 (41.6)
2.75 (69.9)
48
1 1/2
1.437 (36.5)
1.932 (49.1)
3.25 (82.6)
56
1 3/4
1.688 (42.9)
2.182 (55.4)
3.63 (92.2)
64
2
1.937 (49.2)
2.432 (61.8)
4.25 (108.0)
* The minimum bend radius is based on Type A construction (see page D-3). For
multiple-braided coverings, these minumum bend radii may be increased slightly.
© 2003 Glenair, Inc.
CAGE Codes 06324
Metric dimensions (mm)
are in parentheses.
* Consult factory for
thin-wall, close
convolution combina-
tion.
** For PTFE maximum
lengths - consult
factory.
*** Consult factory for
PEEK min/max
dimensions.
Printed in U.S.A.
GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912
www.glenair.com
E-Mail: sales@glenair.com
D-7
Series 74
121-102 - Type E
