Model: 257A559-6

Electrical Receptacle Connector

Special Features:

Length from end of thread to flange is 0.790 inches; thickness of flange is 0.115; front panel mounting has hole in center that is 1.470 in diameter; back panel center hole is 1.660 inches in diameter; receptacle has b thread class 2a thread of 1.6250 inches

Properties:

Body Style
Straight shape, external coupling
Overall Length
1.240 inches
Overall Height
1.823 inches
Distance From Mounting Shoulder To Front Face
0.242 inches
Mating End Quantity
1
Contact Position Arrangement Style
25-29 single mating end
Contact Removability
Removable single mating end single contact grouping
Polarization Method
Keyway or multiple keyway
Shell Type
Solid
End Application
A10
Terminal Location
Back single mating end single contact grouping
Terminal Type
Crimp single mating end single contact grouping
Shell Material
Resin synthetic
Shell Surface Treatment
Cadmium
Included Contact Quantity
29 single mating end single contact grouping
Part Name Assigned By Controlling Agency
Wall mounting receptacle
Precious Material And Location
Contact surfaces gold
Precious Material
Gold
NSN
5935-01-604-8139
Part Number
257A559-6
Description
Connector,receptacle,electrical
CAGE
03640

An electrical fitting with electrical contacts constructed to be affixed to the end of a cable, conduit, coaxial line, cord, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector(s) or printed wiring board. It is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. Excludes lampholder; jack, telephone; jack, tip; insert electrical connector; insert module, electrical connector; connector body (as modified) and socket, plug-in electronic components. See also wiring harness (as modified) and cable assembly (as modified). For items with termination wires of more than four inches in length, see lead assembly, electrical. For items without inserts, see shell, electrical connector.

Part 257A559-6 NSN 5935-01-604-8139

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15093
FIIG:
A039B0
Concept No.:
App. Key:
K
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
G
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8538907080
  • SITC: 77282
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537, nesoi

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