#S12A Circuit Closing Jack | Electrical Connectors

S12A

Telephone Jack

NSN 5935-00-245-6571

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002456571

Product Technical Spec.

Thread Class:
2a
Thread Direction:
Right-hand
Electrical Insulation Feature:
Insulated from panel
Body Style:
Threaded bushing mounted
Overall Length:
1.000 inches
Mounting Bushing Length:
0.276 inches
Overall Diameter:
0.750 inches
Bushing Accommodation Hole Shape:
Round
Accommodated Finger Type:
Two conductor, slender round tip single finger
Finger Accommodation Diameter:
0.210 inches single finger
Finger Accommodation Length:
0.563 inches single finger
Jack Contact Arrangement Designator:
J4-1b
Mounting Facility Type And Quantity:
1 bushing
Thready Qty Per Inch (tpi):
32
Thread Size:
0.375 inches
Terminal Type:
Tab, solder lug
Material:
Brass bushing
Material:
Brass terminal
Material:
Nickel silver alloy spring
Material:
Plastic, phenolic insulator
Material:
Silver contact
Material:
Copper alloy terminal
Material:
Copper alloy 745 spring
Material:
Copper alloy bushing
Material:
Plastic phenolic insulator
Material:
Silver contact
Precious Material And Location:
Contact surface and spring surface silver
Precious Material And Weight:
0.010 silver grains, troy
Precious Material:
Silver
Surface Treatment:
Nickel bushing
Surface Treatment:
Tin terminal
Surface Treatment:
Tin terminal
Surface Treatment:
Any acceptable insulator
Surface Treatment:
Any acceptable spring
Surface Treatment:
Any acceptable contact
Surface Treatment:
Nickel bushing
Thread Series Designator:
Unef
NSN:
5935-00-245-6571
Item Name:
Circuit Closing Jack
Cage Code:
82389

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Electrical Connectors
--------- Telephone Jacks
------------ P/N S12A

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Last Updated: 01/23/2025