PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22NM40Nut,self-Locking,hexagon

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-01-225-5229 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-225-5229 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-225-5229. Primary manufacturer part number: 22NM40.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Width Across Flats: 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 3B
  • Nominal Thread Size: 0.1120 INCHES IN
  • Nut Height: 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 40
  • Locking Feature: PREVAILING TORQUE ALL NONMETALLIC DESIGN
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 5310-01-225-5229, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-225-5229
Primary Part Number22NM40
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Width Across Flats0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class3B
Nominal Thread Size0.1120 INCHES IN
Nut Height0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Locking FeaturePREVAILING TORQUE ALL NONMETALLIC DESIGN
Nut StyleHEXAGON
Thread SeriesUNJC
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-088-0551MS21044N04 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
22NM40 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
870121-00 Defense Reduction Agency (USA)
22NM40 Harvard Industries Inc (USA)
Related Parts
5310-00-088-0551INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21044N04

Frequently Asked Questions

What is NSN 5310-01-225-5229?

NSN 5310-01-225-5229 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-225-5229?

NSN 5310-01-225-5229 has 3 cross-referenced part numbers: 22NM40 (Sps Technologies, Llc Dba PB Fasteners), 870121-00 (Defense Reduction Agency), 22NM40 (Harvard Industries Inc).

What NSN replaces 5310-01-225-5229?

There is 1 known substitute for 5310-01-225-5229: 5310-00-088-0551. Verify interchangeability with system specifications before substitution.

What are the specifications of 22NM40?

Key specifications for 22NM40: Width Across Flats: 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Thread Class: 3B; Nominal Thread Size: 0.1120 INCHES IN. 11 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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