Conduit Systems M24758/14 Adapter for MIL-C-28840 (EC) Backshells M24758/14-16-01-01-A Basic Part No. Material Designator: A = Aluminum B = Brass C = CRES 316 Conduit Size Code (See Table I) A Thread Code (See Table II) Style Designator .531 (13.5) ± .010 (.3) A Thread .125 (3.2) Ref. L .125 (3.2) Ref. .531 (13.5) ± .010 (.3) A Thread K Dia D Dia L D Dia E Dia N K Dia Dia C Thread C Thread Straight Knurl (Medium Coarse) .250 (6.4) Ref. STYLE 01 FOR USE WHEN K DIAMETER IS SMALLER THAN E DIAMETER Straight Knurl (Medium Coarse) STYLE 02 FOR USE WHEN K DIAMETER IS EQUAL TO OR LARGER THAN E DIAMETER 1. The M24758/14 adapter provides a non-environmental coupling between certain MIL-C-28840 (EC) backshells and the M24758/2, M24758/3 or M24758/4 fittings, specifically, the A-thread of this adapter mates with the V-thread of the M28840/6 backshell (straight), the M28840/8 backshell (90o), or the M28840/9 backshell (45o). 2. Metric dimensions (mm) are indicated in parentheses. 3. For complete dimensions see applicable Military Specification. © 6/1999 Glenair, Inc. CAGE Code 06324 Printed in U.S.A. GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912 72 Conduit Systems M24758/14 Adapter for MIL-C-28840 (EC) Backshells TABLE I Conduit Size Code 02 03 04 05 06 08 10 12 16 20 24 C Thread (Class 2A) 0.438 - 28 UNEF 0.563 - 24 UNEF 0.688 - 24 UNEF 0.813 - 20 UNEF 0.938 - 20 UNEF 1.250 - 18 UNEF 1.563 - 18 UNEF 1.875 - 16 UN 2.375 - 16 UN 2.875 - 16 UN 3.375 - 16 UN ±.02 .210 .250 .250 .310 .310 .370 .370 .430 .430 .430 .430 L (.5) (5.3) (6.4) (6.4) (7.9) (7.9) (9.4) (9.4) (10.9) (10.9) (10.9) (10.9) K Dia Min. .250 (6.4) .370 (9.4) .500 (12.7) .620 (15.7) .750 (19.1) 1.000 (25.4) 1.250 (31.8) 1.500 (38.1) 2.000 (50.8) 2.500 (63.5) 3.000 (76.2) N Dia ±.02 (.5) .687 (17.4) .812 (20.6) .937 (23.8) 1.062 (27.0) 1.187 (30.1) 1.500 (38.1) 1.812 (46.0) 2.125 (54.0) 2.625 (66.7) 3.125 (79.4) 3.625 (92.1) TABLE II (A Thread Code and Adapter Dimensions) Shell A Size Thread (Ref.) Code B, C 01 B, C 02 C 03 D, E 04 C, D, F 05 D, E, F, G 06 F, G, H 07 G, H, J 08 J 09 C, D, E 10 C, D, E, F, G 11 D, E, F, G 12 F, G, H 13 G, H, J 14 J 15 © 6/1999 Glenair, Inc. A Thread (Class 2B) 0.625 - 24 UNEF 0.750 - 20 UNEF 0.875 - 20 UNEF 1.000 - 20 UNEF 1.188 - 18 UNEF 1.438 - 18 UNEF 1.750 - 18 UNS 2.000 - 18 UNS 2.250 - 16 UN 1.125 - 18 UNEF 1.250 - 18 UNEF 1.626 - 18 UNEF 1.875 - 18 UNS 2.125 - 16 UN 2.750 - 16 UN CAGE Code 06324 D Dia ±.015 (.4) .875 (22.2) 1.000 (25.4) 1.125 (28.6) 1.250 (31.8) 1.438 (36.5) 1.688 (42.9) 2.000 (50.8) 2.250 (57.2) 2.250 (57.2) 1.375 (34.9) 1.500 (38.1) 1.875 (47.6) 2.125 (54.0) 2.375 (60.3) 3.000 (76.2) E Dia ±.015 (.4) .435 (11.0) .578 (14.7) .703 (17.9) .828 (21.0) 1.000 (25.4) 1.250 (31.8) 1.562 (39.7) 1.813 (46.1) 2.062 (52.4) .938 (23.8) 1.078 (27.4) 1.438 (36.5) 1.688 (42.9) 1.938 (49.2) 2.563 (65.1) Printed in U.S.A. GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912 73