PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS103TYPE3STYLE4Setscrew

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-272-3545 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-272-3545 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-272-3545. Primary manufacturer part number: FFS103TYPE3STYLE4.
Features
  • Setscrew — FSC 5305
  • Point Style: CUP
  • Thread Class: 2A A
  • Nondefinitive Spec/std Data: 3 TYPE AND 4 STYLE
  • Width Across Flats: 0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
  • Thread Length: 0.375 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 32
Applications
  • Applications requiring Nickel Alloy R-405 or Nickel Alloy 400 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-272-3545, 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 14 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
NSN5305-00-272-3545
Primary Part NumberFFS103TYPE3STYLE4
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Point StyleCUP
Thread Class2A A
Nondefinitive Spec/std Data3 TYPE AND 4 STYLE
Width Across Flats0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Thread Length0.375 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Head StyleHEADLESS (SETSCREW)
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionRIGHT-HAND
Fastener Length0.375 INCHES NOMINAL IN
MaterialNICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL
Material Document and ClassificationQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
Internal Drive StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-01-074-3540 INTERCHANGEABLE
Key,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
FFS103TYPE3STYLE4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
764607 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5120-01-074-3540INTERCHANGEABLE
KEY,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5305-00-272-3545?

NSN 5305-00-272-3545 is a Setscrew, 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 5305-00-272-3545?

NSN 5305-00-272-3545 has 2 cross-referenced part numbers: FFS103TYPE3STYLE4 (Federal Specifications Promulgated by General Services Administration Washington DC), 764607 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5305-00-272-3545?

There is 1 known substitute for 5305-00-272-3545: 5120-01-074-3540. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS103TYPE3STYLE4?

Key specifications for FFS103TYPE3STYLE4: Point Style: CUP; Thread Class: 2A A; Nondefinitive Spec/std Data: 3 TYPE AND 4 STYLE; Width Across Flats: 0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN. 14 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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