Model: 257

Telephone Jack

Properties:

Electrical Insulation Feature
Uninsulated
Body Style
Threaded bushing mounted
Overall Length
1.281 inches
Mounting Bushing Length
0.281 inches
Overall Diameter
0.594 inches
Bushing Accommodation Hole Shape
Round
Accommodated Finger Type
Two conductor, turret tip single finger
Finger Accommodation Diameter
0.250 inches single finger
Finger Accommodation Length
1.188 inches single finger
Bushing Thru-hole Accommodation Diameter
0.375 inches
Jack Contact Arrangement Designator
J1
Mounting Facility Type And Quantity
1 bushing
Terminal Type
Tab, solder lug
Material
Any acceptable insulator
Material
Brass bushing
Material
Brass body
Material
Nickel alloy spring
Material
Nickel alloy terminal
Material
Nickel alloy contact
Material
Copper alloy body
Material
Copper alloy bushing
Material
Nickel alloy contact
Material
Nickel alloy spring
Material
Nickel alloy terminal
Surface Treatment
Any acceptable spring
Surface Treatment
Any acceptable terminal
Surface Treatment
Any acceptable body
Surface Treatment
Any acceptable bushing
Surface Treatment
Any acceptable contact
NSN
5935-00-043-2332
Part Number
257
Description
Jack,telephone
CAGE
71002

A contact spring type electrical fitting of two or more conductors, which is arranged for the insertion of a plug, telephone. One conductor may be grounded. Does not include separable telephone jacks which are termed, jack assembly, telephone. Excludes jack, tip.

Part 257 NSN 5935-00-043-2332

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00124
FIIG:
A03400
Concept No.:
App. Key:
B
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
--
WCC:
723
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8517700000
  • SITC: 76418
  • End Use: Telecommunications equipment
  • NAICS: 334220
  • USDA: 1

Freight Class: Parts for apparatus for transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network

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