Series 74 Helical Convoluted Tubing (MIL-T-81914) Natural or
Black PFA, FEP, PTFE, Tefzel
®
(ETFE) or PEEK
121-100-1-1-16 B E T H
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
JACKET
SHIELD
TUBING
Jacket
E = EPDM
N = Neoprene
®
H = Hypalon V = Viton
Shield
C = Stainless Steel
N = Nickel/Copper
S = SnCuFe
T = Tin/Copper
Material
E = ETFE
P = PFA
F = FEP
T = PTFE**
K = PEEK ***
TYPE
C
EXTERNAL
SHIELD
AND JACKET
A DIA
B DIA
LENGTH
(AS SPECIFIED IN FEET)
TABLE I
A INSIDE
DIA MIN
.181 (4.6)
.273 (6.9)
.306 (7.8)
.359 (9.1)
.427 (10.8)
.480 (12.2)
.603 (15.3)
.725 (18.4)
.860 (21.8)
.970 (24.6)
1.205 (30.6)
1.437 (36.5)
1.688 (42.9)
1.937 (49.2)
MINIMUM
BEND RADIUS
DASH FRACTIONAL
NO.
SIZE REF
06
3/16
09
9/32
10
5/16
12
3/8
14
7/16
16
1/2
20
5/8
24
3/4
28
7/8
32
1
40
1 1/4
48
1 1/2
56
1 3/4
64
2
© 2003 Glenair, Inc.
B DIA
MAX
.490 (12.4)
.584 (14.8)
.620 (15.7)
.680 (17.3)
.741 (18.8)
.820 (20.8)
.940 (23.9)
1.100 (27.9)
1.243 (31.6)
1.396 (35.5)
1.709 (43.4)
2.002 (50.9)
2.327 (59.1)
2.502 (63.6)
MINIMUM
BEND RADIUS
.50 (12.7)
.75 (19.1)
.75 (19.1)
.88 (22.4)
1.00 (25.4)
1.25 (31.8)
1.50 (38.1)
1.75 (44.5)
1.88 (47.8)
2.25 (57.2)
2.75 (69.9)
3.25 (82.6)
3.63 (92.2)
4.25 (108.0)
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.
CAGE Codes 06324
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-5
Series 74
121-100 - Type C