PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS107TYPECFSTYLE1SScrew,tapping

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-227-1311 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-227-1311 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-227-1311. Primary manufacturer part number: FFS107TYPECFSTYLE1S.
Features
  • Screw,tapping — FSC 5305
  • Head Height: 0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
  • Nonmachine Thread Style: DOUBLE FLUTE (TYPE F)
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Head Diameter: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Nonmachine Nominal Thread Diameter: 0.112 INCHES IN
  • Surface Treatment: ZINC OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,tapping, cataloged under National Stock Number 5305-00-227-1311, 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 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-227-1311
Primary Part NumberFFS107TYPECFSTYLE1S
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Head Height0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
Nonmachine Thread StyleDOUBLE FLUTE (TYPE F)
Fastener Length0.250 INCHES NOMINAL IN
Head Diameter0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Nonmachine Nominal Thread Diameter0.112 INCHES IN
Surface TreatmentZINC OVERALL
Nondefinitive Spec/std DataCF TYPE AND 1S STYLE
Features ProvidedCASEHARDENED
Head StyleROUND
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-261-3544 INTERCHANGEABLE
Screw,tapping
5305-00-432-4169 INTERCHANGEABLE
Screw,tapping
Cross-Reference Index
Part NumberManufacturer
FFS107TYPECFSTYLE1S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-261-3544INTERCHANGEABLE
SCREW,TAPPING
5305-00-432-4169INTERCHANGEABLE
SCREW,TAPPING

Frequently Asked Questions

What is NSN 5305-00-227-1311?

NSN 5305-00-227-1311 is a Screw,tapping, 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 5305-00-227-1311?

NSN 5305-00-227-1311 has 1 cross-referenced part number: FFS107TYPECFSTYLE1S (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-227-1311?

There are 2 known substitutes for 5305-00-227-1311: 5305-00-261-3544, 5305-00-432-4169. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS107TYPECFSTYLE1S?

Key specifications for FFS107TYPECFSTYLE1S: Head Height: 0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN; Nonmachine Thread Style: DOUBLE FLUTE (TYPE F); Fastener Length: 0.250 INCHES NOMINAL IN; Head Diameter: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN. 11 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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