PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS92TYPEISTYLE4SScrew,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-297-7640 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-297-7640 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-297-7640. Primary manufacturer part number: FFS92TYPEISTYLE4S.
Features
  • Screw,machine — FSC 5305
  • Thread Quantity Per Inch: 40
  • Screw Surface Treatment: ZINC
  • Head Height: 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Direction: RIGHT-HAND
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Head Style: FILLISTER
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-297-7640, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-297-7640
Primary Part NumberFFS92TYPEISTYLE4S
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Quantity Per Inch40
Screw Surface TreatmentZINC
Head Height0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Thread DirectionRIGHT-HAND
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Head StyleFILLISTER
Thread Length0.200 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
Nominal Thread Diameter0.112 INCHES IN
Screw Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw MaterialSTEEL
Fastener Length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread Class2A A
Head Diameter0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE AND 4S STYLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-223-6398CA6444PC43 INTERCHANGEABLE
Cup,grease
Air & Liquid Systems Corporation Dba Buffalo Pumps
5305-00-297-3988 INTERCHANGEABLE
Screw,machine
5305-00-297-78081050 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5305-00-297-7824 INTERCHANGEABLE
Screw,machine
5305-00-297-8043 INTERCHANGEABLE
Screw,machine
5305-00-514-7617 INTERCHANGEABLE
Screw,machine
5305-00-515-9807 INTERCHANGEABLE
Screw,machine
5305-00-639-4747226666 INTERCHANGEABLE
Screw,machine
Army, United States Department of the Dba Rock Island Arsenal Jmtc
Cross-Reference Index
Part NumberManufacturer
FFS92TYPEISTYLE4S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B1859 Eastern Air Devices Inc Dba Ead Motors (USA)
Related Parts
4730-00-223-6398INTERCHANGEABLE
CUP,GREASE
CA6444PC43
5305-00-297-3988INTERCHANGEABLE
SCREW,MACHINE
5305-00-297-7808INTERCHANGEABLE
SCREW,MACHINE
1050
5305-00-297-7824INTERCHANGEABLE
SCREW,MACHINE
5305-00-297-8043INTERCHANGEABLE
SCREW,MACHINE
5305-00-514-7617INTERCHANGEABLE
SCREW,MACHINE
5305-00-515-9807INTERCHANGEABLE
SCREW,MACHINE
5305-00-639-4747INTERCHANGEABLE
SCREW,MACHINE
226666

Frequently Asked Questions

What is NSN 5305-00-297-7640?

NSN 5305-00-297-7640 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 5305-00-297-7640?

NSN 5305-00-297-7640 has 2 cross-referenced part numbers: FFS92TYPEISTYLE4S (Federal Specifications Promulgated by General Services Administration Washington DC), B1859 (Eastern Air Devices Inc Dba Ead Motors).

What NSN replaces 5305-00-297-7640?

There are 8 known substitutes for 5305-00-297-7640: 4730-00-223-6398, 5305-00-297-3988, 5305-00-297-7808 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS92TYPEISTYLE4S?

Key specifications for FFS92TYPEISTYLE4S: Thread Quantity Per Inch: 40; Screw Surface Treatment: ZINC; Head Height: 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Internal Drive Style: CROSS RECESS TYPE 1. 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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