PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51095-313Screw,cap,hexagon Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-942-8422 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-942-8422 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-942-8422. Primary manufacturer part number: MS51095-313.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
  • Fastener Length: 2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Hole Configuration Style: HEXAGON FLATS
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Quantity Per Inch: 20
  • Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-942-8422, 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 22 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-942-8422
Primary Part NumberMS51095-313
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
Head Height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Fastener Length2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
Head StyleHEXAGON
Hole Configuration StyleHEXAGON FLATS
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch20
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Hole Quantity1
Hole TypeDRILLED
Hardness Rating25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Material Document and ClassificationSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Finish63.0 MICROINCHES THREADS
Hole Diameter0.062 INCHES NOMINAL IN
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 5 GRADE
Thread Class2A A
Thread Length0.938 INCHES MINIMUM IN
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Width Between Flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5305-00-165-8074MS51095-420 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-490-1851MS51095-444 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-941-3618MS51095-303 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-941-9459MS51095-384 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-964-0562MS51095-369 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-964-0589MS51095-416 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-110-7903MS51095-401 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-111-0622MS51095-338 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-01-117-0650MS51095-309L INTERCHANGEABLE
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-01-206-8396MS51095-446 INTERCHANGEABLE
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
10387517 Nimikkeistokeskus Ncb Finland (FIN)
MS51095-313 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FF-S-85 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS51095-313 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NASM51095 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5305-00-165-8074INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-420
5305-00-490-1851INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-444
5305-00-941-3618INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-303
5305-00-941-9459INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-384
5305-00-964-0562INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-369
5305-00-964-0589INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-416
5305-01-110-7903INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-401
5305-01-111-0622INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-338
5306-01-117-0650INTERCHANGEABLE
BOLT,MACHINE
MS51095-309L
5306-01-206-8396INTERCHANGEABLE
BOLT,MACHINE
MS51095-446
5305-01-374-6944INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-427

Frequently Asked Questions

What is NSN 5305-00-942-8422?

NSN 5305-00-942-8422 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 5305-00-942-8422?

NSN 5305-00-942-8422 has 5 cross-referenced part numbers: 10387517 (Nimikkeistokeskus Ncb Finland), MS51095-313 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC), MS51095-313 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NASM51095 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-00-942-8422?

There are 11 known substitutes for 5305-00-942-8422: 5305-00-165-8074, 5305-00-490-1851, 5305-00-941-3618 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51095-313?

Key specifications for MS51095-313: Head Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN; Fastener Length: 2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN; Head Style: HEXAGON; Hole Configuration Style: HEXAGON FLATS. 23 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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