PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-S-92Screw,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-457-5911 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-457-5911 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-457-5911. Primary manufacturer part number: FF-S-92.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: PASSIVATE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Diameter: 0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
  • Thread Length: 0.261 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Screw Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-457-5911, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-457-5911
Primary Part NumberFF-S-92
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Screw Surface TreatmentPASSIVATE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
Thread Length0.261 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
Thread Class2A A
Screw Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Thread Quantity Per Inch32
Fastener Length0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Internal Drive StyleSLOT
Screw MaterialSTEEL CORROSION RESISTING
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.138 INCHES IN
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-763-6963 INTERCHANGEABLE
Screw,machine
5305-00-922-6286MS35275-228 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
FF-S-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35249-35 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
0411-224 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5305-00-763-6963INTERCHANGEABLE
SCREW,MACHINE
5305-00-922-6286INTERCHANGEABLE
SCREW,MACHINE
MS35275-228

Frequently Asked Questions

What is NSN 5305-00-457-5911?

NSN 5305-00-457-5911 is a Screw,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-457-5911?

NSN 5305-00-457-5911 has 3 cross-referenced part numbers: FF-S-92 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35249-35 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 0411-224 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5305-00-457-5911?

There are 2 known substitutes for 5305-00-457-5911: 5305-00-763-6963, 5305-00-922-6286. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-S-92?

Key specifications for FF-S-92: Screw Surface Treatment: PASSIVATE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Diameter: 0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN; Thread Length: 0.261 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN. 15 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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