PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3974Splice,conductor

Telemechanics Inc · NSN 5940-00-434-0787 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-434-0787 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-434-0787. Primary manufacturer part number: 3974.
Features
  • Splice,conductor — FSC 5940
  • Surface Treatment: TIN OVERALL SINGLE LAYER
  • Basic Shape Style: CRIMP
  • Conductor Accommodation Type: STRAIGHT SPLIT BARREL ALL ENDS
  • Material: COPPER ALLOY OVERALL
  • Electrical Insulation Feature: UNINSULATED
  • Maximum Conductor Size Accommodated: 000 AWG
  • 11 verified cross-references
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Splice,conductor, cataloged under National Stock Number 5940-00-434-0787, 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 Telemechanics Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5940-00-434-0787
Primary Part Number3974
Item NameSplice,conductor
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Surface TreatmentTIN OVERALL SINGLE LAYER
Basic Shape StyleCRIMP
Conductor Accommodation TypeSTRAIGHT SPLIT BARREL ALL ENDS
MaterialCOPPER ALLOY OVERALL
Electrical Insulation FeatureUNINSULATED
Maximum Conductor Size Accommodated000 AWG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5306-00-012-1733 INTERCHANGEABLE
Bolt,machine
2640-00-052-09183843610 INTERCHANGEABLE
Valve,pneumatic Tire
Schrader-Bridgeport International Inc Dba Schrader Automotive
6110-00-104-6396397-4 INTERCHANGEABLE
Cover,voltage Regulator
Aim Aerospace Renton, Inc. Dba Sekisui Aerospace Renton
5306-00-150-9394 INTERCHANGEABLE
Bolt,machine
5950-00-223-98013974 INTERCHANGEABLE
Coil,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5133-00-228-1321 INTERCHANGEABLE
Drill,twist
3455-00-254-846613580 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
5920-00-280-8344 INTERCHANGEABLE
Fuse,cartridge
2530-00-375-0952640084 INTERCHANGEABLE
Arm
Dana Off Highway Products, Llc
5305-00-474-050853158 INTERCHANGEABLE
Setscrew
Goodrich Corporation
Cross-Reference Index
Part NumberManufacturer
3974 Cessna Aircraft Co Arc Avionics Div (USA)
YC28C26 Souriau Usa, Inc. Dba Souriau Usa Inc (USA)
3974 PRIMARY Telemechanics Inc (USA)
3974 At and T Corp (USA)
3974 American Telephone and Telegraph Co (USA)
3974 Lucent Technologies Inc Corporate Headquarters (USA)
640084 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
53-158 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
YC28C26 PRIMARY Burndy Llc (USA)
354A6160 Roper Industries Inc Roper Pump Co Div (USA)
3974 Lucent Technologies Inc Dba Federal Marketing Group (USA)
Related Parts
5306-00-012-1733INTERCHANGEABLE
BOLT,MACHINE
2640-00-052-0918INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
3843610
6110-00-104-6396INTERCHANGEABLE
COVER,VOLTAGE REGULATOR
397-4
5306-00-150-9394INTERCHANGEABLE
BOLT,MACHINE
5950-00-223-9801INTERCHANGEABLE
COIL,RADIO FREQUENCY
3974
5133-00-228-1321INTERCHANGEABLE
DRILL,TWIST
3455-00-254-8466INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13580
5920-00-280-8344INTERCHANGEABLE
FUSE,CARTRIDGE
2530-00-375-0952INTERCHANGEABLE
ARM
640084
5305-00-474-0508INTERCHANGEABLE
SETSCREW
53158
2530-00-770-7070INTERCHANGEABLE
ROD,ALIGNING,VEHICULAR AXLE
7707070
5910-01-150-5462INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC

Frequently Asked Questions

What is NSN 5940-00-434-0787?

NSN 5940-00-434-0787 is a Splice,conductor, manufactured by Telemechanics Inc, classified under FSC 5940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5940-00-434-0787?

NSN 5940-00-434-0787 has 11 cross-referenced part numbers: 3974 (Cessna Aircraft Co Arc Avionics Div), YC28C26 (Souriau Usa, Inc. Dba Souriau Usa Inc), 3974 (Telemechanics Inc), 3974 (At and T Corp), 3974 (American Telephone and Telegraph Co) and 6 more.

What NSN replaces 5940-00-434-0787?

There are 12 known substitutes for 5940-00-434-0787: 5306-00-012-1733, 2640-00-052-0918, 6110-00-104-6396 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3974?

Key specifications for 3974: Surface Treatment: TIN OVERALL SINGLE LAYER; Basic Shape Style: CRIMP; Conductor Accommodation Type: STRAIGHT SPLIT BARREL ALL ENDS; Material: COPPER ALLOY OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5940-00-434-0787 still in active supply?

NSN 5940-00-434-0787 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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