PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35666Terminal,lug

Te Connectivity Corporation · NSN 5940-00-121-1288 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-121-1288 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-121-1288. Primary manufacturer part number: 35666.
Features
  • Terminal,lug — FSC 5940
  • Maximum Conductor Size Accommodated: 8 AWG
  • Mounting Method Style: RING
  • Material Thickness: 0.051 INCHES IN
  • Surface Treatment: TIN OVERALL SINGLE LAYER
  • Material: COPPER OVERALL
  • Conductor Accommodation Type: STRAIGHT BARREL SINGLE END
  • Mounting Hole Diameter: 0.781 INCHES IN
Applications
  • Applications requiring Copper Overall construction
General Description

The Terminal,lug, cataloged under National Stock Number 5940-00-121-1288, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-00-121-1288
Primary Part Number35666
Item NameTerminal,lug
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Maximum Conductor Size Accommodated8 AWG
Mounting Method StyleRING
Material Thickness0.051 INCHES IN
Surface TreatmentTIN OVERALL SINGLE LAYER
MaterialCOPPER OVERALL
Conductor Accommodation TypeSTRAIGHT BARREL SINGLE END
Mounting Hole Diameter0.781 INCHES IN
Mounting Tongue Width1.250 INCHES IN
Electrical Insulation FeatureUNINSULATED
Basic Shape StyleCRIMP
Mounting Facility Thickness0.051 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-443-606735666 INTERCHANGEABLE
Gasket
New Venture Gear Inc New Process Gear Div
5998-01-085-607635666 INTERCHANGEABLE
Circuit Card Assembly
L3harris Mas Inc Div L3harris Mas Inc.
6230-01-556-036635625 INTERCHANGEABLE
Flashlight
Armament Systems and Procedures Inc
2610-01-707-888635666 INTERCHANGEABLE
Tire,pneumatic,vehicular
Michelin North America, Inc Dba Michelin North America, Inc
Cross-Reference Index
Part NumberManufacturer
35666 PRIMARY Te Connectivity Corporation (USA)
Related Parts
5330-00-443-6067INTERCHANGEABLE
GASKET
35666
5998-01-085-6076INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
35666
6230-01-556-0366INTERCHANGEABLE
FLASHLIGHT
35625
2610-01-707-8886INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
35666

Frequently Asked Questions

What is NSN 5940-00-121-1288?

NSN 5940-00-121-1288 is a Terminal,lug, manufactured by Te Connectivity Corporation, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-121-1288?

NSN 5940-00-121-1288 has 1 cross-referenced part number: 35666 (Te Connectivity Corporation).

What NSN replaces 5940-00-121-1288?

There are 4 known substitutes for 5940-00-121-1288: 5330-00-443-6067, 5998-01-085-6076, 6230-01-556-0366 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35666?

Key specifications for 35666: Maximum Conductor Size Accommodated: 8 AWG; Overall Width: 1.250 INCHES IN; Mounting Method Style: RING; Material Thickness: 0.051 INCHES IN. 13 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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