#SB1877 Circuit Closing Jack | Electrical Connectors

SB1877

Telephone Jack

NSN 5935-00-284-3921

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
002843921

Detail Specifications

Thread Class:
2a
Thread Direction:
Right-hand
Electrical Insulation Feature:
Uninsulated
Body Style:
Threaded bushing mounted long frame
Overall Length:
3.359 inches
Overall Height:
0.812 inches
Mounting Hole Diameter:
0.156 inches
Mounting Bushing Length:
0.375 inches
Body Width:
0.562 inches
Bushing Accommodation Hole Shape:
Round
Accommodated Finger Type:
Two conductor, round tip single finger
Finger Accommodation Diameter:
0.207 inches single finger
Finger Accommodation Length:
1.093 inches single finger
Bushing Thru-hole Accommodation Diameter:
0.375 inches
Jack Contact Arrangement Designator:
J2-1a
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:
Nickel silver alloy contact
Material:
Nickel silver alloy spring
Material:
Steel body
Material:
Copper alloy 745 contact
Material:
Copper alloy 745 spring
Material:
Copper alloy bushing
Material:
Steel body
Precious Material And Location:
Contact and spring material silver and contact and spring surfaces palladium
Precious Material And Weight:
0.500 silver grains, troy and 0.005 palladium grains, troy
Precious Material:
Silver and palladium
Surface Treatment:
Palladium spring
Surface Treatment:
Palladium contact
Surface Treatment:
Palladium contact
Surface Treatment:
Palladium spring
Thread Series Designator:
Unef
NSN:
5935-00-284-3921
Item Name:
Circuit Closing Jack
Cage Code:
21340

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
5J1044B
Cage Code:
82389
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
520766
Cage Code:
21340
RNCC:
5
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 SB1877

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Last Updated: 01/25/2025