PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35308-109Screw,cap,hexagon Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-021-3969 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-021-3969 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-021-3969. Primary manufacturer part number: MS35308-109.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Series Designator: UNF
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Thread Quantity Per Inch: 20
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-021-3969, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-021-3969
Primary Part NumberMS35308-109
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNF
Nominal Thread Diameter0.500 INCHES IN
Thread Quantity Per Inch20
Fastener Length1.000 INCHES NOMINAL IN
Head Height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Head StyleHEXAGON
Width Between Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Class2A A
Thread Length1.000 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-01-260-238721300 INTERCHANGEABLE
Light,test
S and G Tool Aid Corp Br of Eagles M Tool Warehouse Inc
Cross-Reference Index
Part NumberManufacturer
FFS85TYPE2STYLE10P Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NASM35308 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS35308-109 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
213969 General Motors Corp (USA)
MS35308-109 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
213969 General Motors Llc Dba General Motors Llc (USA)
213969 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
6625-01-260-2387INTERCHANGEABLE
LIGHT,TEST
21300

Frequently Asked Questions

What is NSN 5305-00-021-3969?

NSN 5305-00-021-3969 is a Screw,cap,hexagon Head, 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: active.

What are the part numbers for NSN 5305-00-021-3969?

NSN 5305-00-021-3969 has 7 cross-referenced part numbers: FFS85TYPE2STYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC), NASM35308 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS35308-109 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 213969 (General Motors Corp), MS35308-109 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5305-00-021-3969?

There is 1 known substitute for 5305-00-021-3969: 6625-01-260-2387. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35308-109?

Key specifications for MS35308-109: Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL CORROSION RESISTING OVERALL; Thread Series Designator: UNF; Nominal Thread Diameter: 0.500 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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