MIL-DTL 38999 Type 257-288 Box Mount Hermetic Receptacle with Crimp Removable Socket Contacts MIL-DTL-38999 Series III Type Basic Number 257-288 B Contact Style Shell Size P - Pin Face S - Socket Face Z1 17 - 26 P N Connector Material and Finish Z1 - CRES, Passivated ZL - CRES, Nickel Finish Insert Arrangement Per MIL-STD-1560 Alternate Key Position A, B, C, D, E (N = Normal) C SQ. 1.575 P PIN FACE AB R C T S a Z M V c W Y L H J E F X K D U b N .085 MAX SOCKET FACE G D TYP A THREAD B THREAD E TYP © 2009 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 www.glenair.com B-46 E-Mail: [email protected] MIL-DTL 38999 Type 257-288 Box Mount Hermetic Receptacle with Crimp Removable Socket Contacts MIL-DTL-38999 Series III Type TABLE I: CONNECTOR DIMENSIONS SHELL SIZE 9 CODE A THREAD 0.1 P-0.3L-TS-2A B THREAD C FLANGE D BASIC E BASIC K DIA ±.005(0.1) N ±.005(0.1) A 0.625 M12X1-6g 0.100R .949/.925 .594 .719 .705(17.9) .665(16.9) 11 B 0.750 M15X1-6g 0.100R 1.043/1.020 .719 .812 .827(21.0) .764(19.4) 13 C 0.875 M18X1-6g 0.100R 1.138/1.114 .812 .906 1.012(25.7) .950(24.1) 15 D 1.000 M22X1-6g 0.100R 1.232/1.209 .906 .969 1.139(28.9) 1.079(27.4) 17 E 1.187 M25X1-6g 0.100R 1.323/1.299 .969 1.062 1.266(32.2) 1.203(30.6) 19 F 1.250 M28X1-6g 0.100R 1.449/1.425 1.062 1.156 1.389(35.3) 1.328(33.7) 21 G 1.375 M31X1-6g 0.100R 1.575/1.551 1.156 1.250 1.512(38.4) 1.454(36.9) 23 H 1.500 M34X1-6g 0.100R 1.701/1.677 1.250 1.375 1.639(41.6) 1.575(40.0) 25 J 1.625 M37X1-6g 0.100R 1.823/1.799 1.375 1.500 1.764(44.8) 1.704(43.3) 4X ø G Holes HERMETIC LEAK RATE MOD CODES Designator Required Leak Rate –585A 1 x 10-10 cc’s Helium per second –585B 1 x 10-9 cc’s Helium per second –585C 1 x 10-8 cc’s Helium per second Back Panel Mounting ø H Min Front Panel Mounting ø J Min APPLICATION NOTES 1. Assembly identified with manufacturer’s name and PN, space permitting. 2. Material/Finish: Shell, lock ring, jam nut—CRES/passivated Contacts—alloy 52/gold plate Sockets—copper alloy/gold plate Hermetic Insulator—fused vitreous glass/N.A. Socket Insulator—high grade rigid dielectric/N.A. Seals—fluorosilicone/ N.A. © 2009 Glenair, Inc. 3. Crimp removable socket contacts to conform to MIL-C-39029/57-358, size 16, MIL-C-39029/57-357 size 20 and MIL-C-39029/57-354 size 22D (supplied loose) 4. Metric dimensions (mm) are indicated in parentheses. CAGE CODE 06324 Printed in U.S.A. GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912 www.glenair.com B-47 E-Mail: [email protected] B