PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS20659-19Terminal,lug

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5940-00-504-3554 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-504-3554 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-504-3554. Primary manufacturer part number: MS20659-19.
Features
  • Terminal,lug — FSC 5940
  • Mounting Hole Diameter: 0.343 INCHES IN
  • Mounting Method Style: TAPERED
  • Maximum Conductor Size Accommodated: 00 AWG
  • Conductor Accommodation Type: STRAIGHT BARREL SINGLE END
  • Mounting Tongue Width: 0.968 INCHES IN
  • Material Thickness: 0.130 INCHES IN
  • Surface Treatment: TIN CONDUCTOR ACCOMMODATION SINGLE LAYER
Applications
  • Applications requiring Copper Overall construction
General Description

The Terminal,lug, cataloged under National Stock Number 5940-00-504-3554, 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 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5940-00-504-3554
Primary Part NumberMS20659-19
Item NameTerminal,lug
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Mounting Hole Diameter0.343 INCHES IN
Mounting Method StyleTAPERED
Maximum Conductor Size Accommodated00 AWG
Conductor Accommodation TypeSTRAIGHT BARREL SINGLE END
Mounting Tongue Width0.968 INCHES IN
Material Thickness0.130 INCHES IN
Surface TreatmentTIN CONDUCTOR ACCOMMODATION SINGLE LAYER
Mounting Facility Thickness0.130 INCHES IN
Surface TreatmentTIN MOUNTING FACILITY SINGLE LAYER
Basic Shape StyleCRIMP
MaterialCOPPER OVERALL
Material Document and ClassificationQQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE INSULATION
Electrical Insulation FeatureUNINSULATED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5940-00-115-5003MS20659-119 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
2805-00-573-0056EAF6505D INTERCHANGEABLE
Valve,poppet,engine
New Holland N.v.nc.
5120-01-476-0141K972 INTERCHANGEABLE
Contact Positioner,terminal Crim
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
MS20659-19 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
BLM2-0S43 Penn-Union Corp Div Penn-Union Corp (USA)
K972 Abb Installation Products Inc (USA)
J386-56 Molex-Etc Inc Sub of Molex Inc (USA)
YAV26L2 Souriau Usa, Inc. Dba Souriau Usa Inc (USA)
YAV26L2 Burndy Llc (USA)
K572SB Abb Installation Products Inc (USA)
S2-0-19 Sherman H B Mfg Co Div of Dayton-Walther Corp (USA)
Related Parts
5940-00-115-5003INTERCHANGEABLE
TERMINAL,LUG
MS20659-119
2805-00-573-0056INTERCHANGEABLE
VALVE,POPPET,ENGINE
EAF6505D
5120-01-476-0141INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
K972

Frequently Asked Questions

What is NSN 5940-00-504-3554?

NSN 5940-00-504-3554 is a Terminal,lug, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5940-00-504-3554?

NSN 5940-00-504-3554 has 8 cross-referenced part numbers: MS20659-19 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), BLM2-0S43 (Penn-Union Corp Div Penn-Union Corp), K972 (Abb Installation Products Inc), J386-56 (Molex-Etc Inc Sub of Molex Inc), YAV26L2 (Souriau Usa, Inc. Dba Souriau Usa Inc) and 3 more.

What NSN replaces 5940-00-504-3554?

There are 3 known substitutes for 5940-00-504-3554: 5940-00-115-5003, 2805-00-573-0056, 5120-01-476-0141. Verify interchangeability with system specifications before substitution.

What are the specifications of MS20659-19?

Key specifications for MS20659-19: Mounting Hole Diameter: 0.343 INCHES IN; Mounting Method Style: TAPERED; Maximum Conductor Size Accommodated: 00 AWG; Conductor Accommodation Type: STRAIGHT BARREL SINGLE END. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5940-00-504-3554 still in active supply?

NSN 5940-00-504-3554 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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