PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51929Nut,plain,hexagon

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 5310-00-685-1764 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-685-1764 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-685-1764. Primary manufacturer part number: 51929.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Material Document and Classification: QQ-A-267 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 28
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-685-1764, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-685-1764
Primary Part Number51929
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusCANCELLED
Nut Height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY 2024 OVERALL
Material Document and ClassificationQQ-A-267 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch28
Bearing Surface Finish125.0 MICROINCHES
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread SeriesUNEF
Nominal Thread Size0.438 INCHES IN
Width Across Flats0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
Thread Class2B
Nut StyleHEXAGON
Surface TreatmentANODIZE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2810-00-147-537451929 INTERCHANGEABLE
Dowel
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-928-201651929 INTERCHANGEABLE
Gasket
Parker Hannifin Corporation Div Hydraulic Systems Division
4330-01-228-114158929 INTERCHANGEABLE
Filter,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
46579-506 The Boeing Company Div Legacy Boeing Hb1 (USA)
51929 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
51929 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
Related Parts
2810-00-147-5374INTERCHANGEABLE
DOWEL
51929
5330-00-928-2016INTERCHANGEABLE
GASKET
51929
4330-01-228-1141INTERCHANGEABLE
FILTER,FLUID
58929

Frequently Asked Questions

What is NSN 5310-00-685-1764?

NSN 5310-00-685-1764 is a Nut,plain,hexagon, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-685-1764?

NSN 5310-00-685-1764 has 3 cross-referenced part numbers: 46579-506 (The Boeing Company Div Legacy Boeing Hb1), 51929 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 51929 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division).

What NSN replaces 5310-00-685-1764?

There are 3 known substitutes for 5310-00-685-1764: 2810-00-147-5374, 5330-00-928-2016, 4330-01-228-1141. Verify interchangeability with system specifications before substitution.

What are the specifications of 51929?

Key specifications for 51929: Nut Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Material: ALUMINUM ALLOY 2024 OVERALL; Material Document and Classification: QQ-A-267 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-685-1764 still in active supply?

NSN 5310-00-685-1764 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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