PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51029-10Setscrew

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-727-4791 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-727-4791 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-727-4791. Primary manufacturer part number: MS51029-10.
Features
  • Setscrew — FSC 5305
  • Thread Length: 0.187 INCHES MINIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Quantity Per Inch: 40
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-727-4791, 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 5 commercial cross-references from 4 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
NSN5305-00-727-4791
Primary Part NumberMS51029-10
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
Thread Length0.187 INCHES MINIMUM IN
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating25.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Thread Quantity Per Inch40
Width Across Flats0.050 INCHES NOMINAL IN
Nominal Thread Diameter0.112 INCHES IN
Head StyleHEADLESS (SETSCREW)
Thread DirectionRIGHT-HAND
Point StyleFLAT
Internal Drive StyleHEXAGON
Thread Class3A A
Fastener Length0.187 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-655-9246MS51021-10 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS51029-10 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51029-10 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FF-S-200 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
24809-15402 Bourns Instruments Inc (USA)
FFS103 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-655-9246INTERCHANGEABLE
SETSCREW
MS51021-10

Frequently Asked Questions

What is NSN 5305-00-727-4791?

NSN 5305-00-727-4791 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 5305-00-727-4791?

NSN 5305-00-727-4791 has 5 cross-referenced part numbers: MS51029-10 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS51029-10 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FF-S-200 (Federal Specifications Promulgated by General Services Administration Washington DC), 24809-15402 (Bourns Instruments Inc), FFS103 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-727-4791?

There is 1 known substitute for 5305-00-727-4791: 5305-00-655-9246. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51029-10?

Key specifications for MS51029-10: Thread Length: 0.187 INCHES MINIMUM IN; Surface Treatment: PASSIVATE OVERALL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL CORROSION RESISTING OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-727-4791 still in active supply?

NSN 5305-00-727-4791 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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