PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

169631Nut,plain,hexagon

Fastenal Company Dba Fastenal Co · NSN 5310-01-603-2276 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-603-2276 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-603-2276. Primary manufacturer part number: 169631.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Thread Class: A
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Direction: LEFT-HAND
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Fastenal Company Dba Fastenal Co
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 5310-01-603-2276, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 5 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-603-2276
Primary Part Number169631
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Nut StyleHEXAGON
Thread ClassA
Nominal Thread Size0.625 INCHES IN
Thread DirectionLEFT-HAND
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-069-1186SAE J246 6-4 120102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
3130-00-358-0657H31-771 INTERCHANGEABLE
Cap,pillow Block
Dresser Industries Inc Leroi Div
2910-00-462-8160169631 INTERCHANGEABLE
Tip,injector,fuel
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
1620-00-590-7296169631 INTERCHANGEABLE
Piston,landing Gear Strut
Goodrich Corporation
2940-01-566-0261169631 INTERCHANGEABLE
Air Cleaner,intake
Doall Baltimore Company
Cross-Reference Index
Part NumberManufacturer
AC2569 Armatec Survivability Corp Div Armatec Survivability (CAN)
169631 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
4730-00-069-1186INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J246 6-4 120102BA
3130-00-358-0657INTERCHANGEABLE
CAP,PILLOW BLOCK
H31-771
2910-00-462-8160INTERCHANGEABLE
TIP,INJECTOR,FUEL
169631
1620-00-590-7296INTERCHANGEABLE
PISTON,LANDING GEAR STRUT
169631
2940-01-566-0261INTERCHANGEABLE
AIR CLEANER,INTAKE
169631

Frequently Asked Questions

What is NSN 5310-01-603-2276?

NSN 5310-01-603-2276 is a Nut,plain,hexagon, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-603-2276?

NSN 5310-01-603-2276 has 2 cross-referenced part numbers: AC2569 (Armatec Survivability Corp Div Armatec Survivability), 169631 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-603-2276?

There are 5 known substitutes for 5310-01-603-2276: 4730-00-069-1186, 3130-00-358-0657, 2910-00-462-8160 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 169631?

Key specifications for 169631: Nut Style: HEXAGON; Thread Class: A; Part Name Assigned by Controlling Agency: NUT, JAM, 5/8"-18 LFT THREAD; Nominal Thread Size: 0.625 INCHES IN. 7 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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