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257-410 Datasheet, PDF (1/2 Pages) Glenair, Inc. – Metal or Composite Ground Plane Twinax Connector | |||
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257-410
Metal or Composite Ground Plane Twinax Connector
8GA ⢠MIL-DTL-38999 Series III Type
Basic Part Number
257-410 - D38999 Series III Type
Twinax Connector
Finish Material
(See Table II)
Ground Plane
Option
G = Outer Contacts
Grounded to Shell
ââ = Standard Insulated
Contacts
Shell
Size
Insert Designator
P = Pin Insert
S = Socket
A = Less Pin Contacts/
Grommet Followers
B = Less Socket Contacts/
Grommet Followers
257-410 XM 06 - 25 - G 08 P N
Connector Style
06 = Plug
Insert Arrangement
Dash Number
(See Page D-37)
Alternate Key
Position
A, B, C, D, or E
(N for Normal)
Master Key
E
See Notes 3 and 4
Knurl Mfg's Option
Blue Color Band
(See Note 5)
See Note 2
1.220 (31.0)
Max
à A Max
Grommet Follower For
M17/176-00002 Cable
(See P/N Development)
Ref: Jacket OD.129 ±.005
à B Max
2.000 (50.8) Max
25-8 Only
C Thread
APPLICATION NOTES
1. Material/Finishes:
Plug barrel/Coupling nut - See Table II.
(Composite coupling is unplated).
Insulator - Aluminum alloy/Conductive plate
or high-grade thermoplastic.
Contact retainer clips - HT BeCu/Conductive plate.
Seals - Fluorosilicone/N.A.
2. Assembly to be identified with Glenairâs name, partnumber
and date code, space permitting.
3. Insert arrangements are in accordance with MIL-STD-1560
(See page D-37).
4. Insert arrangement shown is for reference only.
5. Blue color band indicates rear release retention system.
6. Ground plane performance: per Table II, between outer
contact and plug barrel (see part number development).
7. For P and S, plug is supplied with contacts P/N M39029/90-
529 (Pin) or M39029/91-530 (Socket) and Grommet Follower
P/N 687-643-8-1 (No spares/sealing plugs provided).
8. Metric dimensions (mm)are in parentheses.
© 2010 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
E-2
E-Mail: sales@glenair.com
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