#A521T010101 Circuit Closing Jack | Electrical Connectors

A521T010101

Telephone Jack

NSN 5935-00-553-8995

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
005538995

Product Technical Spec.

Thread Class:
2a
Thread Direction:
Right-hand
Electrical Insulation Feature:
Insulated completely
Body Style:
Threaded bushing mounted long frame
Overall Length:
3.468 inches
Overall Height:
0.860 inches
Mounting Hole Diameter:
Between 0.151 inches and 0.161 inches
Mounting Bushing Length:
0.550 inches
Body Width:
Between 0.557 inches and 0.567 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:
1.015 inches single finger
Bushing Thru-hole Accommodation Diameter:
0.375 inches
Jack Contact Arrangement Designator:
J7
Mounting Facility Type And Quantity:
1 bushing and 1 unthreaded hole
Thready Qty Per Inch (tpi):
32
Thread Size:
0.375 inches
Terminal Type:
Tab, solder lug
Material:
Brass bushing
Material:
Nickel silver alloy terminal
Material:
Nickel silver alloy spring
Material:
Plastic, phenolic insulator
Material:
Silver, coin contact
Material:
Steel body
Material:
Copper alloy 745 spring
Material:
Copper alloy 745 terminal
Material:
Copper alloy bushing
Material:
Plastic phenolic insulator
Material:
Steel body
Precious Material And Location:
Contact, spring and terminal silver
Precious Material And Weight:
0.300 silver grains, troy
Precious Material:
Silver
Surface Treatment:
Nickel spring
Surface Treatment:
Tin terminal
Surface Treatment:
Tin terminal
Surface Treatment:
Any acceptable contact
Surface Treatment:
Nickel spring
Thread Series Designator:
Unef
NSN:
5935-00-553-8995
Item Name:
Circuit Closing Jack
Cage Code:
10241

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
4-03662-0602
Cage Code:
00144
RNCC:
3
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Electrical Connectors
--------- Telephone Jacks
------------ P/N A521T010101

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Last Updated: 01/17/2025