PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A23-1131Contact,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-238-1213 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-238-1213 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-238-1213. Primary manufacturer part number: A23-1131.
Features
  • Contact,electrical — FSC 5999
  • Mounting Method: UNTHREADED HOLE(S)
  • Material: COPPER CONTACT
  • Style Designator: LEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT
  • Material: COPPER BODY
  • Precious Material and Location: EXTERNAL SURFACE SILVER
  • Precious Material: SILVER
  • Surface Treatment: SILVER CONTACT
Applications
  • Applications requiring Copper Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-238-1213, 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 Eaton Corp Opns & Technical Center. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-238-1213
Primary Part NumberA23-1131
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
Mounting MethodUNTHREADED HOLE(S)
MaterialCOPPER CONTACT
Style DesignatorLEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT
MaterialCOPPER BODY
Precious Material and LocationEXTERNAL SURFACE SILVER
Precious MaterialSILVER
Surface TreatmentSILVER CONTACT
Surface TreatmentSILVER BODY
Mounting Facility Quantity1
Point Diameter0.058 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.204 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
MaterialCOPPER CONTACT
Style DesignatorLEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT
MaterialCOPPER BODY
Precious Material and LocationEXTERNAL SURFACE SILVER
Precious MaterialSILVER
Surface TreatmentSILVER CONTACT
Surface TreatmentSILVER BODY
Mounting Facility Quantity1
Point Diameter0.058 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.204 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0600 lbs
Cube0.0100 cu ft
Verified Substitutes 7
2920-00-229-55469-29210 INTERCHANGEABLE
Rotor,ignition Distributor
Thermo Power Corp Engine Div
5133-00-266-946811/16 2510/950 INTERCHANGEABLE
Drill,twist
Greenfield Industries Inc
3110-01-012-747125621 INTERCHANGEABLE
Plate,retaining,bearing
Williams International Co., L.l.c.
5310-01-032-352425621 INTERCHANGEABLE
Washer,flat
Triumph Engine Control Systems Llc
5325-01-257-672025621 INTERCHANGEABLE
Ring,retaining
Bowmar Llc Dba Bowmar Instrument Corp
5133-01-443-307725621 INTERCHANGEABLE
Drill,twist
Time Fastener Co Inc
6635-01-585-47212562-1 INTERCHANGEABLE
Reference Standard,physical Prop
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
Cross-Reference Index
Part NumberManufacturer
2562-1 Eaton Corp Opns & Technical Center (USA)
231501-6 Naval Ship Systems Command (USA)
A23-1131 PRIMARY Eaton Corp Opns & Technical Center (USA)
231501PC6 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
2920-00-229-5546INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
9-29210
5133-00-266-9468INTERCHANGEABLE
DRILL,TWIST
11/16 2510/950
3110-01-012-7471INTERCHANGEABLE
PLATE,RETAINING,BEARING
25621
5310-01-032-3524INTERCHANGEABLE
WASHER,FLAT
25621
5325-01-257-6720INTERCHANGEABLE
RING,RETAINING
25621
5133-01-443-3077INTERCHANGEABLE
DRILL,TWIST
25621
6635-01-585-4721INTERCHANGEABLE
REFERENCE STANDARD,PHYSICAL PROP
2562-1

Frequently Asked Questions

What is NSN 5999-00-238-1213?

NSN 5999-00-238-1213 is a Contact,electrical, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-238-1213?

NSN 5999-00-238-1213 has 4 cross-referenced part numbers: 2562-1 (Eaton Corp Opns & Technical Center), 231501-6 (Naval Ship Systems Command), A23-1131 (Eaton Corp Opns & Technical Center), 231501PC6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5999-00-238-1213?

There are 7 known substitutes for 5999-00-238-1213: 2920-00-229-5546, 5133-00-266-9468, 3110-01-012-7471 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A23-1131?

Key specifications for A23-1131: Mounting Method: UNTHREADED HOLE(S); Material: COPPER CONTACT; Style Designator: LEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT; Material: COPPER BODY. 28 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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