PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M45938/1-12CNut,plain,clinch

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-231-3858 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-231-3858 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-231-3858. Primary manufacturer part number: M45938/1-12C.
Features
  • Nut,plain,clinch — FSC 5310
  • Pilot Diameter: 0.207 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Quantity Per Inch: 32
  • Nominal Thread Size: 0.164 INCHES IN
  • Hardness Rating: 70.0 ROCKWELL B NOMINAL
  • 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 5310-01-231-3858, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-231-3858
Primary Part NumberM45938/1-12C
Item NameNut,plain,clinch
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Pilot Diameter0.207 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Surface TreatmentPASSIVATE OVERALL
Thread Quantity Per Inch32
Nominal Thread Size0.164 INCHES IN
Hardness Rating70.0 ROCKWELL B NOMINAL
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nut StyleCLINCH
Pilot Length0.033 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
Nut Height0.117 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Nut Diameter0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Thread Class2B
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-01-235-7575 INTERCHANGEABLE
Nut,plain,clinch
5340-01-435-41722979 INTERCHANGEABLE
Bumper
Accurate Elastomer Products, Inc.
Cross-Reference Index
Part NumberManufacturer
M45938/1-12C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
832NKS-(0.032) Precision Metal Products Co (USA)
MIL-N-45938/1-12C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
18005A-SS-0832 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
CLS-832-1 Penn Engineering & Manufacturing Corp (USA)
832NKS-(0.040) Precision Metal Products Co (USA)
Related Parts
5310-01-235-7575INTERCHANGEABLE
NUT,PLAIN,CLINCH
5340-01-435-4172INTERCHANGEABLE
BUMPER
2979

Frequently Asked Questions

What is NSN 5310-01-231-3858?

NSN 5310-01-231-3858 is a Nut,plain,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: cancelled.

What are the part numbers for NSN 5310-01-231-3858?

NSN 5310-01-231-3858 has 6 cross-referenced part numbers: M45938/1-12C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 832NKS-(0.032) (Precision Metal Products Co), MIL-N-45938/1-12C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 18005A-SS-0832 (New Haven Mfg Corp Amatom Electronic Hardware Div), CLS-832-1 (Penn Engineering & Manufacturing Corp) and 1 more.

What NSN replaces 5310-01-231-3858?

There are 2 known substitutes for 5310-01-231-3858: 5310-01-235-7575, 5340-01-435-4172. Verify interchangeability with system specifications before substitution.

What are the specifications of M45938/1-12C?

Key specifications for M45938/1-12C: Pilot Diameter: 0.207 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Surface Treatment: PASSIVATE OVERALL; Thread Quantity Per Inch: 32. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-231-3858 still in active supply?

NSN 5310-01-231-3858 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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