PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2031B1Terminal,stud

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect · NSN 5940-00-144-2012 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-144-2012 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-144-2012. Primary manufacturer part number: 2031B1.
Features
  • Terminal,stud — FSC 5940
  • Overall Diameter: 0.062 INCHES IN
  • Material: COPPER ALLOY OVERALL
  • Swage Outside Diameter: 0.042 INCHES IN
  • Precious Material and Location: OUTER SURFACE MOUNTING FACILITY SILVER
  • Mounting Method Style: SWAGE
  • Turret Minor Diameter: 0.028 INCHES FIRST END IN
  • Features Provided: INSULATION PIERCING DEVICE
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Terminal,stud, cataloged under National Stock Number 5940-00-144-2012, is classified within Federal Supply Class 5940 (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 19 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5940-00-144-2012
Primary Part Number2031B1
Item NameTerminal,stud
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
StatusCANCELLED
Overall Diameter0.062 INCHES IN
MaterialCOPPER ALLOY OVERALL
Swage Outside Diameter0.042 INCHES IN
Precious Material and LocationOUTER SURFACE MOUNTING FACILITY SILVER
Mounting Method StyleSWAGE
Turret Minor Diameter0.028 INCHES FIRST END IN
Features ProvidedINSULATION PIERCING DEVICE
Material Document and ClassificationQQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Largest Diameter0.040 INCHES SINGLE END IN
Minor Bushing Length0.084 INCHES IN
Surface TreatmentTIN CONDUCTOR ACCOMMODATION SINGLE LAYER
Surface Treatment Document and ClassificationQQ-S-365,TY 3 FED SPEC SINGLE TREATMENT RESPONSE MOUNTING FACILITY SINGLE LAYER
Conductor Accommodation TypeDOUBLE TURRET SINGLE END
Electrical Insulation FeatureUNINSULATED
Surface Treatment Document and ClassificationMIL-F-14072,-222 MIL SPEC SINGLE TREATMENT RESPONSE CONDUCTOR ACCOMMODATION SINGLE LAYER
Precious MaterialSILVER
Surface TreatmentSILVER MOUNTING FACILITY SINGLE LAYER
Basic Shape StyleNONTUBULAR, ROUND
Terminal Length0.136 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5306-00-151-0418 INTERCHANGEABLE
Bolt,machine
5310-00-187-186420-316 INTERCHANGEABLE
Washer,flat
Dresser Industries Inc Leroi Div
5940-00-411-84922031B-1 INTERCHANGEABLE
Terminal,stud
Staffall, Inc. Dba Staffall Inc
6810-00-614-969120353 INTERCHANGEABLE
Sulfuric Acid
Hach Company Dba Hach Co
4820-00-702-72779081298 INTERCHANGEABLE
Valve,globe
Us Army Aviation and Missile Command
4820-01-131-7696A13183.001.156 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5325-01-191-734620316 INTERCHANGEABLE
Insert,screw Thread
Moog Inc. Dba Ampac-Isp Corp
4820-01-192-290020316ES 91 SS INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
6515-01-306-5091 INTERCHANGEABLE
Screw,bone
5120-01-349-1444 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
50T1C8 Positronic Industries Inc Div Amphenol Military Aerospace Operations (USA)
2031B1 PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
2031-6 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
2031B1 Count-O-Matic Inc (USA)
Related Parts
5306-00-151-0418INTERCHANGEABLE
BOLT,MACHINE
5310-00-187-1864INTERCHANGEABLE
WASHER,FLAT
20-316
5940-00-411-8492INTERCHANGEABLE
TERMINAL,STUD
2031B-1
6810-00-614-9691INTERCHANGEABLE
SULFURIC ACID
20353
4820-00-702-7277INTERCHANGEABLE
VALVE,GLOBE
9081298
4820-01-131-7696INTERCHANGEABLE
SEAT,VALVE
A13183.001.156
5325-01-191-7346INTERCHANGEABLE
INSERT,SCREW THREAD
20316
4820-01-192-2900INTERCHANGEABLE
VALVE,SAFETY RELIEF
20316ES 91 SS
6515-01-306-5091INTERCHANGEABLE
SCREW,BONE
5120-01-349-1444INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
6240-01-419-7732INTERCHANGEABLE
LAMP,FLUORESCENT

Frequently Asked Questions

What is NSN 5940-00-144-2012?

NSN 5940-00-144-2012 is a Terminal,stud, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect, classified under FSC 5940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5940-00-144-2012?

NSN 5940-00-144-2012 has 4 cross-referenced part numbers: 50T1C8 (Positronic Industries Inc Div Amphenol Military Aerospace Operations), 2031B1 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 2031-6 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 2031B1 (Count-O-Matic Inc).

What NSN replaces 5940-00-144-2012?

There are 11 known substitutes for 5940-00-144-2012: 5306-00-151-0418, 5310-00-187-1864, 5940-00-411-8492 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2031B1?

Key specifications for 2031B1: Overall Diameter: 0.062 INCHES IN; Material: COPPER ALLOY OVERALL; Swage Outside Diameter: 0.042 INCHES IN; Precious Material and Location: OUTER SURFACE MOUNTING FACILITY SILVER. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5940-00-144-2012 still in active supply?

NSN 5940-00-144-2012 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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