Model: 503

Telephone Jack

Properties:

Thread Class
2a
Thread Direction
Right-hand
Electrical Insulation Feature
Insulated completely
Body Style
Right angle threaded bushing mounted short frame
Overall Length
1.219 inches
Overall Height
1.907 inches
Overall Width
0.750 inches
Mounting Bushing Length
0.281 inches
Bushing Accommodation Hole Shape
Round
Accommodated Finger Type
Two conductor, slender round 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
J1-1a
Mounting Facility Type And Quantity
1 bushing
Thread Size
0.375 inches
Terminal Type
Tab, solder lug
Material
Any acceptable terminal
Material
Brass bushing
Material
Nickel alloy spring
Material
Plastic, phenolic insulator
Material
Silver contact
Material
Steel body
Material
Copper alloy bushing
Material
Nickel alloy spring
Material
Plastic phenolic insulator
Material
Silver contact
Material
Steel body
Precious Material And Location
Contact silver
Precious Material And Weight
1.000 silver grains, troy
Precious Material
Silver
Surface Treatment
Tin terminal
Surface Treatment
Tin terminal
Surface Treatment
Any acceptable spring
Thread Series Designator
Unef
NSN
5935-00-234-2123
Part Number
503
Description
Jack,telephone
CAGE
80331

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 503 NSN 5935-00-234-2123

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

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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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