PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51021-15Setscrew

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-619-4580 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-619-4580 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-619-4580. Primary manufacturer part number: MS51021-15.
Features
  • Setscrew — FSC 5305
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Thread Class: 3A A
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 316 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-619-4580, is classified within Federal Supply Class 5305 (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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-619-4580
Primary Part NumberMS51021-15
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Nominal Thread Diameter0.112 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Thread Class3A A
Head StyleHEADLESS (SETSCREW)
Thread Quantity Per Inch40
Fastener Length0.500 INCHES NOMINAL IN
Width Across Flats0.050 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
Thread Length0.500 INCHES MAXIMUM IN
Point StyleCUP
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4140-00-563-3483020829 INTERCHANGEABLE
Fan,circulating
Rotron Incorporated
Cross-Reference Index
Part NumberManufacturer
A07997 Mbda Uk Ltd (GBR)
12Z1049-321 Naval Ordnance Standards (USA)
8599617-108 General Motors Corp (USA)
8599617-108 Delco Electronics Corp Delco Systems Opns (USA)
5305006194580 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
003-07941-015 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
MS51021-15 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS51021-15 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4140-00-563-3483INTERCHANGEABLE
FAN,CIRCULATING
020829

Frequently Asked Questions

What is NSN 5305-00-619-4580?

NSN 5305-00-619-4580 is a Setscrew, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-619-4580?

NSN 5305-00-619-4580 has 8 cross-referenced part numbers: A07997 (Mbda Uk Ltd), 12Z1049-321 (Naval Ordnance Standards), 8599617-108 (General Motors Corp), 8599617-108 (Delco Electronics Corp Delco Systems Opns), 5305006194580 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 3 more.

What NSN replaces 5305-00-619-4580?

There is 1 known substitute for 5305-00-619-4580: 4140-00-563-3483. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51021-15?

Key specifications for MS51021-15: Nominal Thread Diameter: 0.112 INCHES IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-619-4580 still in active supply?

NSN 5305-00-619-4580 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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