PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21045C04Nut,self-Locking,hexagon

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-982-5000 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-982-5000 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-982-5000. Primary manufacturer part number: MS21045C04.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
  • Nut Style: HEXAGON
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-982-5000, 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 17 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-982-5000
Primary Part NumberMS21045C04
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut StyleHEXAGON
Bearing Surface Finish125.0 MICROINCHES
Bearing Surface TypeCHAMFERED OR WASHER FACED
MaterialSTEEL CORROSION RESISTING OVERALL
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
Width Across Flats0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Nominal Thread Size0.112 INCHES IN
Counterbore Diameter0.116 INCHES MINIMUM AND 0.156 INCHES MAXIMUM NUT IN
Thread DirectionRIGHT-HAND
Thread Class3B
Countersink Angle88.0 DEGREES NOMINAL NUT
LubricationDRY FILM LUBRICANT
Nut Height0.133 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-088-6153107B8212P1 INTERCHANGEABLE
Nut,self-Locking,hexagon
General Electric Company
5310-00-982-5003MS21045C06 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-217-6002HW42-04 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Howmet Global Fastening Systems Inc
5310-01-473-1810 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
SM1813-40 Harvard Industries Inc (USA)
50FA440 Zf Industrieantriebe Witten Gmbh (DEU)
58FH440 Sps Technologies, Llc Dba PB Fasteners (USA)
H57-04 Satair A/s (DNK)
SM1813-40 Esna, Llc (USA)
H57-04 Howmet Global Fastening Systems Inc. Div Microdot Products (USA)
NASM21045 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS21045C04 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310PL0960564 Jednolity Indeks Materialowy - Uniform Material Index (POL)
860127-22 Zf Industrieantriebe Witten Gmbh (DEU)
MS21045C04 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10121908 Nimikkeistokeskus Ncb Finland (FIN)
990112-1 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
HW42-04 Zf Industrieantriebe Witten Gmbh (DEU)
990112-2 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
4158068-4 Raytheon Company Div Rmd Strategic (USA)
H57-04 Howmet Global Fastening Systems Inc (USA)
Related Parts
5310-00-088-6153INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
107B8212P1
5310-00-982-5003INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21045C06
5310-01-217-6002INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
HW42-04
5310-01-473-1810INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-982-5000?

NSN 5310-00-982-5000 is a Nut,self-Locking,hexagon, 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 5310-00-982-5000?

NSN 5310-00-982-5000 has 17 cross-referenced part numbers: SM1813-40 (Harvard Industries Inc), 50FA440 (Zf Industrieantriebe Witten Gmbh), 58FH440 (Sps Technologies, Llc Dba PB Fasteners), H57-04 (Satair A/s), SM1813-40 (Esna, Llc) and 12 more.

What NSN replaces 5310-00-982-5000?

There are 4 known substitutes for 5310-00-982-5000: 5310-00-088-6153, 5310-00-982-5003, 5310-01-217-6002 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21045C04?

Key specifications for MS21045C04: Locking Feature: PREVAILING TORQUE ALL METAL DESIGN; Nut Style: HEXAGON; Bearing Surface Finish: 125.0 MICROINCHES; Bearing Surface Type: CHAMFERED OR WASHER FACED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-982-5000 still in active supply?

NSN 5310-00-982-5000 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.
PartsTable Design LLC · partstable.com