PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37256Nut,self-Locking,round

Fastenal Company Dba Fastenal Co · NSN 5310-01-676-3868 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-676-3868 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-676-3868. Primary manufacturer part number: 37256.
Features
  • Nut,self-Locking,round — FSC 5310
  • Nominal Thread Size: 32.0 INCHES IN
  • Nut Thickness: 0.117 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Nut Diameter: 0.34375 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • 1 verified cross-reference
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-676-3868, 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 6 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-676-3868
Primary Part Number37256
Item NameNut,self-Locking,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Nominal Thread Size32.0 INCHES IN
Nut Thickness0.117 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut Diameter0.34375 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-083-1622 INTERCHANGEABLE
Reactor
2530-00-192-8749 INTERCHANGEABLE
Cylinder,hydraulic Brake,wheel
4710-01-160-662037256 INTERCHANGEABLE
Tube Assembly,metal
Williams International Co., L.l.c.
5307-01-213-9730372-56 INTERCHANGEABLE
Stud
Insinger Machine Co
6020-01-686-321837256 INTERCHANGEABLE
Cable Assembly,fiber Optic
Cables to Go
Cross-Reference Index
Part NumberManufacturer
37256 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5950-00-083-1622INTERCHANGEABLE
REACTOR
2530-00-192-8749INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,WHEEL
4710-01-160-6620INTERCHANGEABLE
TUBE ASSEMBLY,METAL
37256
5307-01-213-9730INTERCHANGEABLE
STUD
372-56
6020-01-686-3218INTERCHANGEABLE
CABLE ASSEMBLY,FIBER OPTIC
37256

Frequently Asked Questions

What is NSN 5310-01-676-3868?

NSN 5310-01-676-3868 is a Nut,self-Locking,round, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-676-3868?

NSN 5310-01-676-3868 has 1 cross-referenced part number: 37256 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-676-3868?

There are 5 known substitutes for 5310-01-676-3868: 5950-00-083-1622, 2530-00-192-8749, 4710-01-160-6620 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37256?

Key specifications for 37256: Nominal Thread Size: 32.0 INCHES IN; Nut Thickness: 0.117 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Nut Diameter: 0.34375 INCHES NOMINAL IN. 8 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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