PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

311Terminal,lug

Stewart Stamping Corp Sub of Insilco Corp · NSN 5940-00-231-1577 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-231-1577 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-231-1577. Primary manufacturer part number: 311.
Features
  • Terminal,lug — FSC 5940
  • Maximum Conductor Size Accommodated: 12 AWG
  • Mounting Method Style: RING
  • Material: COPPER CONDUCTOR ACCOMMODATION
  • Conductor Accommodation Type: CLAMPING TANG EARS SINGLE END
  • Mounting Tongue Width: 0.500 INCHES IN
  • Surface Treatment: TIN MOUNTING FACILITY SINGLE LAYER
  • Electrical Insulation Feature: UNINSULATED
Applications
  • Applications requiring Copper Conductor Accommodation construction
General Description

The Terminal,lug, cataloged under National Stock Number 5940-00-231-1577, 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 Stewart Stamping Corp Sub of Insilco Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-00-231-1577
Primary Part Number311
Item NameTerminal,lug
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerStewart Stamping Corp Sub of Insilco Corp
StatusACTIVE
Maximum Conductor Size Accommodated12 AWG
Mounting Method StyleRING
MaterialCOPPER CONDUCTOR ACCOMMODATION
Conductor Accommodation TypeCLAMPING TANG EARS SINGLE END
Mounting Tongue Width0.500 INCHES IN
Surface TreatmentTIN MOUNTING FACILITY SINGLE LAYER
Electrical Insulation FeatureUNINSULATED
Basic Shape StyleSOLDER/SOLDERLESS
Largest Width0.237 INCHES SINGLE END IN
Surface TreatmentTIN CONDUCTOR ACCOMMODATION SINGLE LAYER
MaterialCOPPER MOUNTING FACILITY
Mounting Facility Thickness0.025 INCHES IN
Mounting Hole Diameter0.250 INCHES IN
Material Thickness0.025 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-083-770431114 INTERCHANGEABLE
Gasket,spiral Wound
Flowserve Inc
3110-00-159-1632MS21151-6G INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
5340-00-229-437001555 INTERCHANGEABLE
Hinge,butt
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5340-00-229-4372B21491 INTERCHANGEABLE
Hinge,butt
American National Standards Institute Incorporated Dba American National Standards Institute
5340-00-229-4373 INTERCHANGEABLE
Hinge,butt
5136-00-239-276765734 INTERCHANGEABLE
Die,thread Cutting
Tapco Cutting Tools Inc
6210-00-299-4064 INTERCHANGEABLE
Lens,light
3120-00-474-319631114 INTERCHANGEABLE
Bearing,sleeve
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2920-00-884-470531-114 INTERCHANGEABLE
Switch,lock,ignition
Pollak Joseph Corp
5340-01-103-226531114 INTERCHANGEABLE
Button
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
311 Stewart Stamping Corp Sub of Insilco Corp (USA)
311 1-4 Stewart Stamping Corp Sub of Insilco Corp (USA)
311 Stewart Efi, Llc Div Stewart Efi (USA)
Related Parts
5330-00-083-7704INTERCHANGEABLE
GASKET,SPIRAL WOUND
31114
3110-00-159-1632INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-6G
5340-00-229-4370INTERCHANGEABLE
HINGE,BUTT
01555
5340-00-229-4372INTERCHANGEABLE
HINGE,BUTT
B21491
5340-00-229-4373INTERCHANGEABLE
HINGE,BUTT
5136-00-239-2767INTERCHANGEABLE
DIE,THREAD CUTTING
65734
6210-00-299-4064INTERCHANGEABLE
LENS,LIGHT
3120-00-474-3196INTERCHANGEABLE
BEARING,SLEEVE
31114
2920-00-884-4705INTERCHANGEABLE
SWITCH,LOCK,IGNITION
31-114
5340-01-103-2265INTERCHANGEABLE
BUTTON
31114
4820-01-240-0074INTERCHANGEABLE
PLUG,ROTARY,VALVE
31114
6515-01-615-1885INTERCHANGEABLE
OSTEOTOME
SK40-6645

Frequently Asked Questions

What is NSN 5940-00-231-1577?

NSN 5940-00-231-1577 is a Terminal,lug, manufactured by Stewart Stamping Corp Sub of Insilco Corp, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-231-1577?

NSN 5940-00-231-1577 has 3 cross-referenced part numbers: 311 (Stewart Stamping Corp Sub of Insilco Corp), 311 1-4 (Stewart Stamping Corp Sub of Insilco Corp), 311 (Stewart Efi, Llc Div Stewart Efi).

What NSN replaces 5940-00-231-1577?

There are 12 known substitutes for 5940-00-231-1577: 5330-00-083-7704, 3110-00-159-1632, 5340-00-229-4370 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 311?

Key specifications for 311: Maximum Conductor Size Accommodated: 12 AWG; Overall Length: 1.109 INCHES IN; Mounting Method Style: RING; Material: COPPER CONDUCTOR ACCOMMODATION. 16 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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