PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100-1020S55Contact,electrical

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect · NSN 5999-00-730-4376 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-730-4376 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-730-4376. Primary manufacturer part number: 100-1020S55.
Features
  • Contact,electrical — FSC 5999
  • Cable Entrance Diameter: 0.065 INCHES NOMINAL IN
  • Current Rating in Amps: 13.0
  • Material: COPPER ALLOY BODY
  • Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END
  • Precious Material: GOLD
  • Surface Treatment: GOLD AND NICKEL BODY
  • Style Designator: SOCKET CONTACT
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-730-4376, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-730-4376
Primary Part Number100-1020S55
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
StatusACTIVE
Cable Entrance Diameter0.065 INCHES NOMINAL IN
Current Rating in Amps13.0
MaterialCOPPER ALLOY BODY
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Precious MaterialGOLD
Surface TreatmentGOLD AND NICKEL BODY
Style DesignatorSOCKET CONTACT
Surface TreatmentGOLD AND NICKEL CONTACT
MaterialCOPPER ALLOY CONTACT
Overall Diameter0.121 INCHES NOMINAL IN
Cable Entrance Diameter0.065 INCHES NOMINAL IN
Current Rating in Amps13.0
MaterialCOPPER ALLOY BODY
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Precious MaterialGOLD
Surface TreatmentGOLD AND NICKEL BODY
Style DesignatorSOCKET CONTACT
Surface TreatmentGOLD AND NICKEL CONTACT
MaterialCOPPER ALLOY CONTACT
Overall Diameter0.121 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 4
5310-00-637-044200080 INTERCHANGEABLE
Nut,plain,hexagon
Defense Logistics Agency Dba Defense Supply Center Philadelphia
7510-01-177-152700080 INTERCHANGEABLE
Pencil
Dixon Ticonderoga Co American Crayon Div
5360-01-213-979700080 INTERCHANGEABLE
Spring,helical,compression
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
3010-01-246-29567300080 INTERCHANGEABLE
Insert,flexible Coupling
Rexnord Industries, Llc Div Couplings Division
Cross-Reference Index
Part NumberManufacturer
100-1020S55 PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
100-1020S159 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
00080 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
910879-02 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
5999PL0901677 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5310-00-637-0442INTERCHANGEABLE
NUT,PLAIN,HEXAGON
00080
7510-01-177-1527INTERCHANGEABLE
PENCIL
00080
5360-01-213-9797INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
00080
3010-01-246-2956INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
7300080

Frequently Asked Questions

What is NSN 5999-00-730-4376?

NSN 5999-00-730-4376 is a Contact,electrical, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-730-4376?

NSN 5999-00-730-4376 has 5 cross-referenced part numbers: 100-1020S55 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 100-1020S159 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 00080 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 910879-02 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 5999PL0901677 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5999-00-730-4376?

There are 4 known substitutes for 5999-00-730-4376: 5310-00-637-0442, 7510-01-177-1527, 5360-01-213-9797 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100-1020S55?

Key specifications for 100-1020S55: Cable Entrance Diameter: 0.065 INCHES NOMINAL IN; Current Rating in Amps: 13.0; Material: COPPER ALLOY BODY; Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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