PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M45938/11-8CLNut,self-Locking,clinch

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-390-5850 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-390-5850 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-390-5850. Primary manufacturer part number: M45938/11-8CL.
Features
  • Nut,self-Locking,clinch — FSC 5310
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Features Provided: FLOATING NUT
  • Thread Quantity Per Inch: 24
  • Nominal Thread Size: 0.190 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL COMP 303 OVERALL
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-390-5850, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-390-5850
Primary Part NumberM45938/11-8CL
Item NameNut,self-Locking,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
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Features ProvidedFLOATING NUT
Thread Quantity Per Inch24
Nominal Thread Size0.190 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL COMP 303 OVERALL
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Nut StyleCLINCH
Nut Height0.250 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nut Diameter0.470 INCHES MAXIMUM IN
Pilot Length0.054 INCHES MAXIMUM IN
Thread Class2B
Pilot Diameter0.405 INCHES MAXIMUM IN
LubricationDRY FILM LUBRICANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-080-1538 INTERCHANGEABLE
Bolt,machine
5310-00-470-3341AC-032-2 INTERCHANGEABLE
Nut,plain,clinch
Penn Engineering & Manufacturing Corp
5310-00-936-0055 INTERCHANGEABLE
Nut,self-Locking,clinch
5310-01-208-5255 INTERCHANGEABLE
Nut,self-Locking,clinch
5310-01-234-2571M45938/11-11C INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-235-7575 INTERCHANGEABLE
Nut,plain,clinch
5310-01-237-5216 INTERCHANGEABLE
Nut,self-Locking,clinch
5310-01-239-3538 INTERCHANGEABLE
Nut,self-Locking,clinch
5310-01-241-2683M45938/11-1C INTERCHANGEABLE
Nut,self-Locking,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-249-0474 INTERCHANGEABLE
Nut,self-Locking,clinch
Cross-Reference Index
Part NumberManufacturer
M45938/11-8CL Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NASM45938/11 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
M45938/11-8CL PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-N-45938/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5306-00-080-1538INTERCHANGEABLE
BOLT,MACHINE
5310-00-470-3341INTERCHANGEABLE
NUT,PLAIN,CLINCH
AC-032-2
5310-00-936-0055INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
5310-01-208-5255INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
5310-01-234-2571INTERCHANGEABLE
NUT,PLAIN,CLINCH
M45938/11-11C
5310-01-235-7575INTERCHANGEABLE
NUT,PLAIN,CLINCH
5310-01-237-5216INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
5310-01-239-3538INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
5310-01-241-2683INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
M45938/11-1C
5310-01-249-0474INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
5310-01-266-1541INTERCHANGEABLE
NUT,PLAIN,CLINCH
5310-01-278-3791INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH

Frequently Asked Questions

What is NSN 5310-01-390-5850?

NSN 5310-01-390-5850 is a Nut,self-Locking,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 5310-01-390-5850?

NSN 5310-01-390-5850 has 4 cross-referenced part numbers: M45938/11-8CL (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NASM45938/11 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), M45938/11-8CL (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-N-45938/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-01-390-5850?

There are 12 known substitutes for 5310-01-390-5850: 5306-00-080-1538, 5310-00-470-3341, 5310-00-936-0055 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M45938/11-8CL?

Key specifications for M45938/11-8CL: Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Features Provided: FLOATING NUT; Thread Quantity Per Inch: 24; Nominal Thread Size: 0.190 INCHES IN. 16 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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