PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21045C06Nut,self-Locking,hexagon

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-982-5003 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-982-5003 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-982-5003. Primary manufacturer part number: MS21045C06.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 3B
  • Thread Quantity Per Inch: 32
  • Nominal Thread Size: 0.138 INCHES IN
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Countersink Angle: 88.0 DEGREES NOMINAL NUT
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
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 5310-00-982-5003, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 13 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
NSN5310-00-982-5003
Primary Part NumberMS21045C06
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
Thread Class3B
Thread Quantity Per Inch32
Nominal Thread Size0.138 INCHES IN
Bearing Surface Finish125.0 MICROINCHES
Countersink Angle88.0 DEGREES NOMINAL NUT
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Thread DirectionRIGHT-HAND
Nut Height0.160 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread SeriesUNJC
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Bearing Surface TypeCHAMFERED OR WASHER FACED
LubricationDRY FILM LUBRICANT
Width Across Flats0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-00-059-9264MS21045C6 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-982-5000MS21045C04 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
10121909 Nimikkeistokeskus Ncb Finland (FIN)
MS21045C06 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
SM1813-62 Esna, Llc (USA)
H57-06 Satair A/s (DNK)
MS21045C06 Freundlich Supply Company, Inc. (USA)
H57-06 Howmet Global Fastening Systems Inc (USA)
MS21045C04 Zf Industrieantriebe Witten Gmbh (DEU)
58FH632 Sps Technologies, Llc Dba PB Fasteners (USA)
H57-06 Howmet Global Fastening Systems Inc. Div Microdot Products (USA)
5310PL0725820 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS21045C06 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1506M44P04 General Electric Company (USA)
SM1813-62 Harvard Industries Inc (USA)
Related Parts
5310-00-059-9264INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21045C6
5310-00-982-5000INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21045C04

Frequently Asked Questions

What is NSN 5310-00-982-5003?

NSN 5310-00-982-5003 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 5310-00-982-5003?

NSN 5310-00-982-5003 has 13 cross-referenced part numbers: 10121909 (Nimikkeistokeskus Ncb Finland), MS21045C06 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), SM1813-62 (Esna, Llc), H57-06 (Satair A/s), MS21045C06 (Freundlich Supply Company, Inc.) and 8 more.

What NSN replaces 5310-00-982-5003?

There are 2 known substitutes for 5310-00-982-5003: 5310-00-059-9264, 5310-00-982-5000. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21045C06?

Key specifications for MS21045C06: Thread Class: 3B; Thread Quantity Per Inch: 32; Nominal Thread Size: 0.138 INCHES IN; Bearing Surface Finish: 125.0 MICROINCHES. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-982-5003 still in active supply?

NSN 5310-00-982-5003 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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