PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-N-45938/11Nut,self-Locking,clinch

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-237-5216 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-237-5216 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-237-5216. Primary manufacturer part number: MIL-N-45938/11.
Features
  • Nut,self-Locking,clinch — FSC 5310
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Features Provided: FLOATING NUT
  • Pilot Length: 0.054 INCHES MAXIMUM IN
  • Nut Diameter: 0.440 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.164 INCHES IN
  • Material: STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1026 OR STEEL COMP 1030 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OR STEEL COMP 1045 NUT
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1005 or Steel Comp 1006 or Steel Comp 1008 or Steel Comp 1010 or Steel Comp 1011 or Steel Comp 1012 or Steel Comp 1013 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 or Steel Comp 1021 or Steel Comp 1022 or Steel Comp 1026 or Steel Comp 1030 or Steel Comp 1034 or Steel Comp 1035 or Steel Comp 1038 or Steel Comp 1039 or Steel Comp 1040 or Steel Comp 1541 or Steel Comp 1045 Nut construction
General Description

The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-237-5216, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5310-01-237-5216
Primary Part NumberMIL-N-45938/11
Item NameNut,self-Locking,clinch
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Features ProvidedFLOATING NUT
Pilot Length0.054 INCHES MAXIMUM IN
Nut Diameter0.440 INCHES MAXIMUM IN
Nominal Thread Size0.164 INCHES IN
MaterialSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1026 OR STEEL COMP 1030 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OR STEEL COMP 1045 NUT
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES NUT
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
Nut StyleCLINCH
Thread Class2B
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Temp Rating400.0 FAHRENHEIT NOMINAL DEGF
Nut Height0.184 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE NUT
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Pilot Diameter0.367 INCHES MAXIMUM IN
LubricationSOLUBLE LUBRICANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
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
5310-01-239-3538 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
5310-01-266-1541 INTERCHANGEABLE
Nut,plain,clinch
5310-01-278-3791 INTERCHANGEABLE
Nut,self-Locking,clinch
Cross-Reference Index
Part NumberManufacturer
MIL-N-45938/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M45938/11-6L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
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
5310-01-239-3538INTERCHANGEABLE
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
5310-01-326-7595INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
5310-01-341-5622INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
M45938/11-1L

Frequently Asked Questions

What is NSN 5310-01-237-5216?

NSN 5310-01-237-5216 is a Nut,self-Locking,clinch, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-237-5216?

NSN 5310-01-237-5216 has 2 cross-referenced part numbers: MIL-N-45938/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M45938/11-6L (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-01-237-5216?

There are 12 known substitutes for 5310-01-237-5216: 5310-00-470-3341, 5310-00-936-0055, 5310-01-208-5255 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-N-45938/11?

Key specifications for MIL-N-45938/11: Thread Series: UNIFIED NATIONAL COARSE (UNC); Features Provided: FLOATING NUT; Pilot Length: 0.054 INCHES MAXIMUM IN; Nut Diameter: 0.440 INCHES MAXIMUM IN. 18 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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