PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

503289Nut,self-Locking,hexagon

Army Weapons Command Attn Amswe-Ree-S · NSN 5310-00-050-3289 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-050-3289 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-050-3289. Primary manufacturer part number: 503289.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Thread Class: 3B
  • Nominal Thread Size: 0.625 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Thread Quantity Per Inch: 11
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
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 5310-00-050-3289, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-00-050-3289
Primary Part Number503289
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerArmy Weapons Command Attn Amswe-Ree-S
StatusCANCELLED
Material Document and ClassificationQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Class3B
Nominal Thread Size0.625 INCHES IN
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch11
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
Nut Height0.875 INCHES NOMINAL IN
Width Across Flats1.062 INCHES NOMINAL IN
Nut StyleHEXAGON
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-269-4040 INTERCHANGEABLE
Nut,self-Locking,hexagon
5995-01-087-126010-609010-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Unison Industries Llc
5315-01-213-4419503289 INTERCHANGEABLE
Key,machine
Boyd Corporation (woburn) Inc
Cross-Reference Index
Part NumberManufacturer
503289 Army Weapons Command Attn Amswe-Ree-S (USA)
5310000503289 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5310-00-269-4040INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5995-01-087-1260INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
10-609010-1
5315-01-213-4419INTERCHANGEABLE
KEY,MACHINE
503289

Frequently Asked Questions

What is NSN 5310-00-050-3289?

NSN 5310-00-050-3289 is a Nut,self-Locking,hexagon, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-050-3289?

NSN 5310-00-050-3289 has 2 cross-referenced part numbers: 503289 (Army Weapons Command Attn Amswe-Ree-S), 5310000503289 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 5310-00-050-3289?

There are 3 known substitutes for 5310-00-050-3289: 5310-00-269-4040, 5995-01-087-1260, 5315-01-213-4419. Verify interchangeability with system specifications before substitution.

What are the specifications of 503289?

Key specifications for 503289: Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: CADMIUM OR ZINC OVERALL; Thread Class: 3B; Nominal Thread Size: 0.625 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-050-3289 still in active supply?

NSN 5310-00-050-3289 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.
PartsTable Design LLC · partstable.com