PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-N-836Nut,plain,hexagon

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-051-6815 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-051-6815 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-051-6815. Primary manufacturer part number: FF-N-836.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Nut Height: 0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Quantity Per Inch: 18
  • Thread Series: UNF
  • Thread Class: 2B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 464 or Copper Alloy 462 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-051-6815, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5310-00-051-6815
Primary Part NumberFF-N-836
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Nut StyleHEXAGON
Nut Height0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.625 INCHES IN
Thread Quantity Per Inch18
Thread SeriesUNF
Thread Class2B
Width Across Flats0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data2 TYPE AND 5 STYLE
MaterialCOPPER ALLOY 464 OR COPPER ALLOY 462 OVERALL
Material Document and ClassificationQQ-B-637,1/2 H FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-637,HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL
Surface TreatmentOXIDE OVERALL
Surface Treatment Document and ClassificationMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4730-00-278-44973B6772 INTERCHANGEABLE
Elbow,pipe
Caterpillar Inc Div Caterpillar Defense
5310-01-415-5351922967 INTERCHANGEABLE
Nut,plain,hexagon
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Cross-Reference Index
Part NumberManufacturer
FF-N-836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
922967 Zf Industrieantriebe Witten Gmbh (DEU)
MS35691-56 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35691-56 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
4730-00-278-4497INTERCHANGEABLE
ELBOW,PIPE
3B6772
5310-01-415-5351INTERCHANGEABLE
NUT,PLAIN,HEXAGON
922967

Frequently Asked Questions

What is NSN 5310-00-051-6815?

NSN 5310-00-051-6815 is a Nut,plain,hexagon, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-051-6815?

NSN 5310-00-051-6815 has 4 cross-referenced part numbers: FF-N-836 (Federal Specifications Promulgated by General Services Administration Washington DC), 922967 (Zf Industrieantriebe Witten Gmbh), MS35691-56 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35691-56 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-00-051-6815?

There are 2 known substitutes for 5310-00-051-6815: 4730-00-278-4497, 5310-01-415-5351. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-N-836?

Key specifications for FF-N-836: Nut Style: HEXAGON; Nut Height: 0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN; Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.625 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-051-6815 still in active supply?

NSN 5310-00-051-6815 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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