PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-S-92Screw,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-01-300-1636 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-300-1636 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-300-1636. Primary manufacturer part number: FF-S-92.
Features
  • Screw,machine — FSC 5305
  • Head Style: PAN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Screw Surface Treatment Document and Classification: ASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE
  • Head Diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
  • Fastener Length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
  • Screw Surface Treatment: ZINC AND CHROMATE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-300-1636, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5305-01-300-1636
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
Head StylePAN
Thread DirectionRIGHT-HAND
Thread Class2A A
Screw Surface Treatment Document and ClassificationASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE
Head Diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
Fastener Length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Screw Surface TreatmentZINC AND CHROMATE
Nominal Thread Diameter0.250 INCHES IN
Nondefinitive Spec/std Data3 TYPE AND 9C STYLE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw MaterialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
Internal Drive StyleCROSS RECESS TYPE 1
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Thread Length1.088 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Head Height0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Departure From Cited DocumentAS MODIFIED BY FINISH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-988-1170 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
FF-S-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35206-284 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-988-1170INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-01-300-1636?

NSN 5305-01-300-1636 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 5305-01-300-1636?

NSN 5305-01-300-1636 has 2 cross-referenced part numbers: FF-S-92 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35206-284 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-01-300-1636?

There is 1 known substitute for 5305-01-300-1636: 5305-00-988-1170. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-S-92?

Key specifications for FF-S-92: Head Style: PAN; Thread Direction: RIGHT-HAND; Thread Class: 2A A; Screw Surface Treatment Document and Classification: ASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE. 17 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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