PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0740809Nut,plain,hexagon

General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels · NSN 5310-00-918-6921 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-918-6921 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-918-6921. Primary manufacturer part number: 0740809.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 16
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.375 INCHES IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 464 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-918-6921, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-918-6921
Primary Part Number0740809
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels
StatusCANCELLED
Width Across Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread Quantity Per Inch16
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.375 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread DirectionRIGHT-HAND
Thread Class2B
Nut StyleHEXAGON
Surface TreatmentOXIDE OVERALL
Nut Height0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 TYPE AND 5 STYLE
Material Document and ClassificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 464 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-01-469-9605124-5589897 PC 58 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
5340-01-506-9623 INTERCHANGEABLE
Connector,rod End
Cross-Reference Index
Part NumberManufacturer
0740809 General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE)
FFN836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35691-612 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35691-20 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
88-20560 Department of Defense Project Manager-Mobile Electric Power (USA)
206429PC13 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
88-20560-1 Department of Defense Project Manager-Mobile Electric Power (USA)
5310009186921 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS35691-611 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
2123003 Zf Industrieantriebe Witten Gmbh (DEU)
FF-N-836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-01-469-9605INTERCHANGEABLE
NUT,PLAIN,HEXAGON
124-5589897 PC 58
5340-01-506-9623INTERCHANGEABLE
CONNECTOR,ROD END

Frequently Asked Questions

What is NSN 5310-00-918-6921?

NSN 5310-00-918-6921 is a Nut,plain,hexagon, manufactured by General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-918-6921?

NSN 5310-00-918-6921 has 11 cross-referenced part numbers: 0740809 (General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels), FFN836 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35691-612 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35691-20 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 88-20560 (Department of Defense Project Manager-Mobile Electric Power) and 6 more.

What NSN replaces 5310-00-918-6921?

There are 2 known substitutes for 5310-00-918-6921: 5310-01-469-9605, 5340-01-506-9623. Verify interchangeability with system specifications before substitution.

What are the specifications of 0740809?

Key specifications for 0740809: End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Width Across Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Thread Quantity Per Inch: 16; Thread Series: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-918-6921 still in active supply?

NSN 5310-00-918-6921 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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