PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M45938-1-4Nut,plain,clinch

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-522-7551 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-522-7551 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-522-7551. Primary manufacturer part number: M45938-1-4.
Features
  • Nut,plain,clinch — FSC 5310
  • Nut Diameter: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Hardness Rating: 70.0 ROCKWELL B NOMINAL
  • Nominal Thread Size: 0.112 INCHES IN
  • Thread Quantity Per Inch: 40
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,plain,clinch, cataloged under National Stock Number 5310-01-522-7551, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN5310-01-522-7551
Primary Part NumberM45938-1-4
Item NameNut,plain,clinch
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Nut Diameter0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Hardness Rating70.0 ROCKWELL B NOMINAL
Nominal Thread Size0.112 INCHES IN
Thread Quantity Per Inch40
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Pilot Diameter0.162 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
Nut StyleCLINCH
Thread DirectionRIGHT-HAND
Nut Height0.080 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
Pilot Length0.033 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-01-044-6570 INTERCHANGEABLE
Nut,plain,clinch
5310-01-124-1257M45938/1-1 INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-252-3101 INTERCHANGEABLE
Nut,plain,clinch
Cross-Reference Index
Part NumberManufacturer
M45938-1-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NASM45938/1 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
M45938-1-4 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5310-01-044-6570INTERCHANGEABLE
NUT,PLAIN,CLINCH
5310-01-124-1257INTERCHANGEABLE
NUT,PLAIN,CLINCH
M45938/1-1
5310-01-252-3101INTERCHANGEABLE
NUT,PLAIN,CLINCH

Frequently Asked Questions

What is NSN 5310-01-522-7551?

NSN 5310-01-522-7551 is a Nut,plain,clinch, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-522-7551?

NSN 5310-01-522-7551 has 3 cross-referenced part numbers: M45938-1-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NASM45938/1 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), M45938-1-4 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5310-01-522-7551?

There are 3 known substitutes for 5310-01-522-7551: 5310-01-044-6570, 5310-01-124-1257, 5310-01-252-3101. Verify interchangeability with system specifications before substitution.

What are the specifications of M45938-1-4?

Key specifications for M45938-1-4: Nut Diameter: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE OVERALL; Material: STEEL CORROSION RESISTING OVERALL; Hardness Rating: 70.0 ROCKWELL B NOMINAL. 13 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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