PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5310009651800Nut,plain,hexagon

E.c.a Etablissement Centrald'approvisionnement Des Forces Armee · NSN 5310-00-965-1800 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-965-1800 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-965-1800. Primary manufacturer part number: 5310009651800.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 2B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.438 INCHES IN
  • Width Across Flats: 0.6750 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 14
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-965-1800, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is E.c.a Etablissement Centrald'approvisionnement Des Forces Armee. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5310-00-965-1800
Primary Part Number5310009651800
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerE.c.a Etablissement Centrald'approvisionnement Des Forces Armee
StatusCANCELLED
Thread Class2B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.438 INCHES IN
Width Across Flats0.6750 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM IN
Thread Quantity Per Inch14
Bearing Surface TypeCHAMFERED OR WASHER FACED
Surface TreatmentPASSIVATE OVERALL
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Departure From Cited DesignatorAS MODIFIED BY MATERIAL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 304 OVERALL
Nut Height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-00-054-5648 INTERCHANGEABLE
Screw,machine
5310-00-754-0963 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
5310009651800 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS51971-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35690-710 Zf Industrieantriebe Witten Gmbh (DEU)
FFN836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-054-5648INTERCHANGEABLE
SCREW,MACHINE
5310-00-754-0963INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-965-1800?

NSN 5310-00-965-1800 is a Nut,plain,hexagon, manufactured by E.c.a Etablissement Centrald'approvisionnement Des Forces Armee, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-965-1800?

NSN 5310-00-965-1800 has 4 cross-referenced part numbers: 5310009651800 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), MS51971-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35690-710 (Zf Industrieantriebe Witten Gmbh), FFN836 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-965-1800?

There are 2 known substitutes for 5310-00-965-1800: 5305-00-054-5648, 5310-00-754-0963. Verify interchangeability with system specifications before substitution.

What are the specifications of 5310009651800?

Key specifications for 5310009651800: Thread Class: 2B; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.438 INCHES IN; End Item Identification: MRAP - COUGAR CAT1 A2. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-965-1800 still in active supply?

NSN 5310-00-965-1800 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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