PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-N-836Nut,plain,hexagon

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-660-2971 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-660-2971 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-660-2971. Primary manufacturer part number: FF-N-836.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Thread Quantity Per Inch: 32
  • Bearing Surface Type: CHAMFERED
  • Criticality Code Justification: FEAT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-660-2971, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-660-2971
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
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Quantity Per Inch32
Bearing Surface TypeCHAMFERED
Criticality Code JustificationFEAT
Nominal Thread Size0.164 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nut StyleHEXAGON
Nut Height0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
Thread Class2B
Thread DirectionRIGHT-HAND
Width Across Flats0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5945-00-855-747888-22202 INTERCHANGEABLE
Relay,electromagnetic
Department of Defense Project Manager-Mobile Electric Power
Cross-Reference Index
Part NumberManufacturer
FF-N-836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS25082-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5310PL0725485 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5310006602971 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
001481 General Motors Corp Delco Products Div Machine Control Systems (USA)
002-003730-002 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
Related Parts
5945-00-855-7478INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
88-22202

Frequently Asked Questions

What is NSN 5310-00-660-2971?

NSN 5310-00-660-2971 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 5310-00-660-2971?

NSN 5310-00-660-2971 has 6 cross-referenced part numbers: FF-N-836 (Federal Specifications Promulgated by General Services Administration Washington DC), MS25082-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5310PL0725485 (Jednolity Indeks Materialowy - Uniform Material Index), 5310006602971 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 001481 (General Motors Corp Delco Products Div Machine Control Systems) and 1 more.

What NSN replaces 5310-00-660-2971?

There is 1 known substitute for 5310-00-660-2971: 5945-00-855-7478. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-N-836?

Key specifications for FF-N-836: Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL; Nondefinitive Spec/std Data: 2 TYPE; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-660-2971 still in active supply?

NSN 5310-00-660-2971 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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