PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS679A04Nut,self-Locking,hexagon

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-791-8429 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-791-8429 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-791-8429. Primary manufacturer part number: NAS679A04.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Width Across Flats: 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF
  • Countersink Angle: 120.0 DEGREES NOMINAL NUT
  • Nominal Thread Size: 0.112 INCHES IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-791-8429, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-791-8429
Primary Part NumberNAS679A04
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Width Across Flats0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Countersink Angle120.0 DEGREES NOMINAL NUT
Nominal Thread Size0.112 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nut StyleHEXAGON
Departure From Cited DesignatorAS MODIFIED BY SPECIAL TEST FEATURE
MaterialSTEEL OVERALL
Special Test FeaturesFLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO-900720
Thread SeriesUNJC
Thread Class3B
LubricationDRY FILM LUBRICANT
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Thread Quantity Per Inch40
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nut Height0.125 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-680-9295NAS679A04 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NAS679A04 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5310-00-680-9295INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
NAS679A04

Frequently Asked Questions

What is NSN 5310-00-791-8429?

NSN 5310-00-791-8429 is a Nut,self-Locking,hexagon, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-791-8429?

NSN 5310-00-791-8429 has 1 cross-referenced part number: NAS679A04 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5310-00-791-8429?

There is 1 known substitute for 5310-00-791-8429: 5310-00-680-9295. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS679A04?

Key specifications for NAS679A04: Width Across Flats: 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF; Countersink Angle: 120.0 DEGREES NOMINAL NUT. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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