PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M45938/6-4CNut,self-Locking,clinch

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-155-1901 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-155-1901 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-155-1901. Primary manufacturer part number: M45938/6-4C.
Features
  • Nut,self-Locking,clinch — FSC 5310
  • Thread Class: 3B
  • Nut Style: CLINCH
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
  • Nominal Thread Size: 0.112 INCHES IN
  • Material Document and Classification: AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Alloy 660 Overall construction
General Description

The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-155-1901, 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 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-155-1901
Primary Part NumberM45938/6-4C
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
StatusCANCELLED
Thread Class3B
Nut StyleCLINCH
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
Nominal Thread Size0.112 INCHES IN
Material Document and ClassificationAMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Nut Diameter0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
Pilot Length0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut Height0.159 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
MaterialIRON ALLOY 660 OVERALL
Thread DirectionRIGHT-HAND
Pilot Diameter0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5306-00-010-1474 INTERCHANGEABLE
Bolt,square Neck
6610-00-012-5906101474 INTERCHANGEABLE
Support,center Disp
Astronautics Corporation of America
5961-00-019-7791 INTERCHANGEABLE
Semiconductor Device Assembly
3825-00-464-9765101474 INTERCHANGEABLE
Diverter,door Assy
Allianz Sweeper Company
5310-00-538-7802 INTERCHANGEABLE
Nut,self-Locking,spline
5310-00-549-6821 INTERCHANGEABLE
Nut,self-Locking,spline
1560-00-570-1106 INTERCHANGEABLE
Fitting Assembly,intern
2530-00-934-1796101474 INTERCHANGEABLE
Pump,brake Air
Cadillac Gage Textron Inc.
5310-00-984-5543 INTERCHANGEABLE
Nut,self-Locking,spline
5310-01-015-8792M45938/6-4S INTERCHANGEABLE
Nut,self-Locking,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
RMLHCFM2-2860-40 Harvard Industries Inc (USA)
M45938/6-4C Zf Industrieantriebe Witten Gmbh (DEU)
10301929 Nimikkeistokeskus Ncb Finland (FIN)
M45938/6-4C PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-N-45938/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1610029P4 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
RMLHCFM2-2860-40 Enviro-Tronics Foshan Australia Pty Ltd (AUS)
NASM-45938/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M45938-6-4C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M45938-6-4C Enviro-Tronics Foshan Australia Pty Ltd (AUS)
10147-4 Drs Technologies Canada Ltd (CAN)
10147-4 Drs Technologies Canada Ltd (CAN)
Related Parts
5306-00-010-1474INTERCHANGEABLE
BOLT,SQUARE NECK
6610-00-012-5906INTERCHANGEABLE
SUPPORT,CENTER DISP
101474
5961-00-019-7791INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
3825-00-464-9765INTERCHANGEABLE
DIVERTER,DOOR ASSY
101474
5310-00-538-7802INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
5310-00-549-6821INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
1560-00-570-1106INTERCHANGEABLE
FITTING ASSEMBLY,INTERN
2530-00-934-1796INTERCHANGEABLE
PUMP,BRAKE AIR
101474
5310-00-984-5543INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
5310-01-015-8792INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
M45938/6-4S
5935-01-033-5303INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
10147-4
5310-01-044-6577INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH

Frequently Asked Questions

What is NSN 5310-01-155-1901?

NSN 5310-01-155-1901 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: cancelled.

What are the part numbers for NSN 5310-01-155-1901?

NSN 5310-01-155-1901 has 12 cross-referenced part numbers: RMLHCFM2-2860-40 (Harvard Industries Inc), M45938/6-4C (Zf Industrieantriebe Witten Gmbh), 10301929 (Nimikkeistokeskus Ncb Finland), M45938/6-4C (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-N-45938/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 5310-01-155-1901?

There are 12 known substitutes for 5310-01-155-1901: 5306-00-010-1474, 6610-00-012-5906, 5961-00-019-7791 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M45938/6-4C?

Key specifications for M45938/6-4C: Thread Class: 3B; Nut Style: CLINCH; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 40. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-155-1901 still in active supply?

NSN 5310-01-155-1901 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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