PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31271Terminal,lug

Te Connectivity Corporation · NSN 5940-00-643-5257 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-643-5257 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-643-5257. Primary manufacturer part number: 31271.
Features
  • Terminal,lug — FSC 5940
  • Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE CONDUCTOR ACCOMMODATION
  • Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE MOUNTING FACILITY
  • Material: COPPER CONDUCTOR ACCOMMODATION
  • Surface Treatment: TIN MOUNTING FACILITY SINGLE LAYER
  • Surface Treatment Document and Classification: MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE CONDUCTOR ACCOMMODATION SINGLE LAYER
  • Surface Treatment: TIN CONDUCTOR ACCOMMODATION SINGLE LAYER
  • Material Thickness: 0.031 INCHES IN
Applications
  • Applications requiring Copper Conductor Accommodation construction
General Description

The Terminal,lug, cataloged under National Stock Number 5940-00-643-5257, 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 Te Connectivity Corporation. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5940-00-643-5257
Primary Part Number31271
Item NameTerminal,lug
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusCANCELLED
Material Document and ClassificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE CONDUCTOR ACCOMMODATION
Material Document and ClassificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE MOUNTING FACILITY
MaterialCOPPER CONDUCTOR ACCOMMODATION
Surface TreatmentTIN MOUNTING FACILITY SINGLE LAYER
Surface Treatment Document and ClassificationMIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE CONDUCTOR ACCOMMODATION SINGLE LAYER
Surface TreatmentTIN CONDUCTOR ACCOMMODATION SINGLE LAYER
Material Thickness0.031 INCHES IN
Conductor Accommodation TypeSTRAIGHT BARREL SINGLE END
Mounting Tongue Width0.281 INCHES IN
Mounting Hole Diameter0.201 INCHES IN
Surface Treatment Document and ClassificationMIL-T-10727,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE MOUNTING FACILITY SINGLE LAYER
Mounting Method StyleRING
MaterialCOPPER MOUNTING FACILITY
Basic Shape StyleCRIMP
Mounting Facility Thickness0.031 INCHES IN
Electrical Insulation FeatureINSULATING SLEEVE
Maximum Conductor Size Accommodated16 AWG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5330-00-107-1014 INTERCHANGEABLE
Seal,plain Encased
6550-01-031-6161231271 INTERCHANGEABLE
Sensitivity Discs,diagnostic
Becton, Dickinson and Co Dba Becton Dickinson & Co
6020-01-086-0688582R298H01 INTERCHANGEABLE
Cable Assembly,fiber Optic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5306-01-145-603133262 INTERCHANGEABLE
Bolt
Moog Inc. Dba Ampac-Isp Corp
3120-01-445-6221W2T90504 INTERCHANGEABLE
Bushing,sleeve
Evoqua Water Technologies Llc
6515-01-446-9706312.71 INTERCHANGEABLE
Guide Wire,bone Screw
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5950-01-461-485431271 INTERCHANGEABLE
Coil,electrical
Torotel, Inc. Div Torotel Products, Inc.
Cross-Reference Index
Part NumberManufacturer
10-82907 Unison Industries Llc (USA)
31271 PRIMARY Te Connectivity Corporation (USA)
9139616 Us Army Aviation and Missile Command (USA)
7891270PT3 General Electric Co Electronic Components Division of Electronic Atomic and Defense Systems Group
7891270PT3 General Electric Company (USA)
31271 General Electric Company (USA)
10-82907 Amphenol Corp Div Amphenol Aerospace Operations (USA)
31398 Te Connectivity Corporation (USA)
6026-1060-16 Raytheon Technical Services Company (USA)
Related Parts
5330-00-107-1014INTERCHANGEABLE
SEAL,PLAIN ENCASED
6550-01-031-6161INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC
231271
6020-01-086-0688INTERCHANGEABLE
CABLE ASSEMBLY,FIBER OPTIC
582R298H01
5306-01-145-6031INTERCHANGEABLE
BOLT
33262
3120-01-445-6221INTERCHANGEABLE
BUSHING,SLEEVE
W2T90504
6515-01-446-9706INTERCHANGEABLE
GUIDE WIRE,BONE SCREW
312.71
5950-01-461-4854INTERCHANGEABLE
COIL,ELECTRICAL
31271

Frequently Asked Questions

What is NSN 5940-00-643-5257?

NSN 5940-00-643-5257 is a Terminal,lug, manufactured by Te Connectivity Corporation, classified under FSC 5940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5940-00-643-5257?

NSN 5940-00-643-5257 has 9 cross-referenced part numbers: 10-82907 (Unison Industries Llc), 31271 (Te Connectivity Corporation), 9139616 (Us Army Aviation and Missile Command), 7891270PT3 (General Electric Co Electronic Components Division of Electronic Atomic and Defense Systems Group), 7891270PT3 (General Electric Company) and 4 more.

What NSN replaces 5940-00-643-5257?

There are 7 known substitutes for 5940-00-643-5257: 5330-00-107-1014, 6550-01-031-6161, 6020-01-086-0688 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31271?

Key specifications for 31271: Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE CONDUCTOR ACCOMMODATION; Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE MOUNTING FACILITY; Material: COPPER CONDUCTOR ACCOMMODATION; Surface Treatment: TIN MOUNTING FACILITY SINGLE LAYER. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5940-00-643-5257 still in active supply?

NSN 5940-00-643-5257 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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