PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35307-308BScrew,cap,hexagon Head

General Dynamics Mission Systems, Inc. · NSN 5305-01-495-8198 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-495-8198 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-495-8198. Primary manufacturer part number: MS35307-308B.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Length: 1.000 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Head Style: HEXAGON
  • Nominal Thread Diameter: 0.250 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-495-8198, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Mission Systems, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5305-01-495-8198
Primary Part NumberMS35307-308B
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Thread DirectionRIGHT-HAND
Surface TreatmentPASSIVATE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length1.000 INCHES MAXIMUM IN
Thread Class2A A
Head StyleHEXAGON
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch20
Head Height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Fastener Length1.000 INCHES NOMINAL IN
Width Between Flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-207-82531/4-20 X 1 HEX INTERCHANGEABLE
Screw,cap,hexagon Head
Nyf/new York Fasteners/corp
Cross-Reference Index
Part NumberManufacturer
MS35307-308B PRIMARY General Dynamics Mission Systems, Inc. (USA)
Related Parts
5305-00-207-8253INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1/4-20 X 1 HEX

Frequently Asked Questions

What is NSN 5305-01-495-8198?

NSN 5305-01-495-8198 is a Screw,cap,hexagon Head, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-495-8198?

NSN 5305-01-495-8198 has 1 cross-referenced part number: MS35307-308B (General Dynamics Mission Systems, Inc.).

What NSN replaces 5305-01-495-8198?

There is 1 known substitute for 5305-01-495-8198: 5305-00-207-8253. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35307-308B?

Key specifications for MS35307-308B: End Item Identification: 5895014767819; Thread Direction: RIGHT-HAND; Surface Treatment: PASSIVATE OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 13 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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