PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

403431Setscrew

Woodward, Inc. Div Fuel Systems and Controls · NSN 5305-00-821-4675 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-821-4675 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-821-4675. Primary manufacturer part number: 403431.
Features
  • Setscrew — FSC 5305
  • Head Style: HEADLESS (SETSCREW)
  • Point Style: OVAL
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Quantity Per Inch: 32
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-821-4675, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-821-4675
Primary Part Number403431
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWoodward, Inc. Div Fuel Systems and Controls
StatusACTIVE
Head StyleHEADLESS (SETSCREW)
Point StyleOVAL
Nominal Thread Diameter0.164 INCHES IN
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentPASSIVATE OVERALL
Thread Quantity Per Inch32
Width Across Flats0.080 INCHES NOMINAL IN
Thread Length0.440 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Fastener Length0.440 INCHES NOMINAL IN
Thread Class2A A
Internal Drive StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-639-4823403431 INTERCHANGEABLE
Screw,machine
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-00-928-351640-342 INTERCHANGEABLE
Spring,helical,compression
Cmbf, Llc Dba Cmbf Llc
5360-01-537-317140-343-1 INTERCHANGEABLE
Spring,helical,compression
Cmbf, Llc Dba Cmbf Llc
Cross-Reference Index
Part NumberManufacturer
403431 PRIMARY Woodward, Inc. Div Fuel Systems and Controls (USA)
Related Parts
5305-00-639-4823INTERCHANGEABLE
SCREW,MACHINE
403431
5360-00-928-3516INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40-342
5360-01-537-3171INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40-343-1

Frequently Asked Questions

What is NSN 5305-00-821-4675?

NSN 5305-00-821-4675 is a Setscrew, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-821-4675?

NSN 5305-00-821-4675 has 1 cross-referenced part number: 403431 (Woodward, Inc. Div Fuel Systems and Controls).

What NSN replaces 5305-00-821-4675?

There are 3 known substitutes for 5305-00-821-4675: 5305-00-639-4823, 5360-00-928-3516, 5360-01-537-3171. Verify interchangeability with system specifications before substitution.

What are the specifications of 403431?

Key specifications for 403431: Head Style: HEADLESS (SETSCREW); Point Style: OVAL; Nominal Thread Diameter: 0.164 INCHES IN; Material: STEEL OVERALL. 13 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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