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| Environmental Connectors Basic Number Finish M - Electroless Nickel NF - O.D. Cadmium over Nickel With PC Tails * MIL-DTL-38999 Series III Type 257-455 Box Mount Quadrax Connector Contact Style P - Pin, PC Tail Quadrax (100 Ohm) S - Socket, PC Tail Quadrax (100 Ohm) C - Pin, PC Tail Quadrax (150 Ohm) D - Socket, PC Tail Quadrax (150 Ohm) Alternate Key Position A, B, C, D, E (N = Normal) Shell Size 09 21 23 25 257 - 455 M 21 G 75 P N G = Ground Plane Option D (use "-" for none) Insert Arrangement (See Opposite Page) .235 Max .843 Max. .102 .075 .175 .125 Typ. 2X D Clinch Nut Ref. Potting Compound A Thread 4x Chamfered or Rounded D A B SQ. 2x C BSC C B Pin contact Shown for Reference Only .520 Max Fully Mated Indicator Band - Red .111 Typ See Detail A On Adjacent Pg. 4x M3X0.5-6G .005 M Clinch Nut 4 Places .189 Typ PCB Standoff 4x M3X0.5-6G Holes .156 Deep @ 90 Apart Mates With o .219 / .217 Mates With o .026 / .024 .219 o .217 PCB Flex Print also Available. Consult Factory. 4x o .026 .024 Pin Socket APPLICATION NOTES 1. 2. 3. Assembly identified with Glenair's, part number and date code Insert arrangements IAW MIL-STD-1560 and Figure I Glenair 257-455 receptacle connector is designed to mate with any QPL manufacturers MIL-C-38999 series III plug connector having the same insert arrangement, polarization and the same quadrax interface dimensions shown. PC contacts supplied with connector (installed) and are not sold seperately. 5. Material/finish: Shell assembly, jam nut, lock ring--Al alloy/see Table II Contacts--copper alloy/gold plate Bayonet pins--CRES/passivate 0-rings, interfacial & peripheral seals--silicone/N.A. Insulators--high grade rigid dielectric/ N.A. Metric Dimensions (mm) are indicated in parentheses 4. 6. (c) 2008 Glenair, Inc. www.glenair.com CAGE CODE 06324 Printed in U.S.A. E-Mail: sales@glenair.com GLENAIR, INC. * 1211 AIR WAY * GLENDALE, CA 91201-2497 * 818-247-6000 * FAX 818-500-9912 D-20 With PC Tails * MIL-DTL-38999 Series III Type Orientation Key / Keyway 45 257-455 Box Mount Quadrax Connector Orientation Key / Keyway 45 o .039 Min. 4x Equally Spaced 1 4 3 2 .250 (CL of Ground Legs) 1 2 3 4 C BSC 4x .130 Min. o .250 BC C BSC .021 x .025 .111 Typ Rear View of Differential Quadrax o .030 Min 4x .111 Typ o E Min. Back Panel Mounting Recommended PCB Layout A A G B D A E F B H F D C C E D C B Arrangement 09-5 Arrangement 21-75 Arrangement 23-06 Arrangement 25-08 See Quadrax Contact Information on D-24 TABLE I CA DA NA AA BA Shell Size 09 21 23 25 A Thread .6250-.1P-.3L-TS-2A 1.3750 -.1P-.3L-TS-2A 1.5000 -.1P-.3L-TS-2A 1.6250 -.1P-.3L-TS-2A B Sq. 1.031 1.007 1.575 1.545 1.701 1.677 1.823 1.799 C Bsc. .719 1.250 1.375 1.500 D Bsc. .594 1.221 1.360 1.475 oE Min. .656 1.421 1.546 1.672 Figure 1 Master Keyway Position Face View Shown Insert Arrangement Does Not Rotate With Master Keyway (c) 2008 Glenair, Inc. www.glenair.com CAGE CODE 06324 Printed in U.S.A. E-Mail: sales@glenair.com GLENAIR, INC. * 1211 AIR WAY * GLENDALE, CA 91201-2497 * 818-247-6000 * FAX 818-500-9912 D-21 Environmental Connectors D |
Price & Availability of 257-455NF23G75
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