PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1031-521Setscrew

Woodward, Inc. Div Fuel Systems and Controls · NSN 5305-00-119-6525 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-119-6525 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-119-6525. Primary manufacturer part number: 1031-521.
Features
  • Setscrew — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 32
  • Material: STEEL OVERALL
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Material Document and Classification: AMS5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Diameter: 0.138 INCHES IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-119-6525, 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 15 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
NSN5305-00-119-6525
Primary Part Number1031-521
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWoodward, Inc. Div Fuel Systems and Controls
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Quantity Per Inch32
MaterialSTEEL OVERALL
Hardness Rating25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationAMS5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.138 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationSP-151,66503 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Fastener Length0.562 INCHES NOMINAL IN
Point StyleOVAL
Width Across Flats0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Head StyleHEADLESS (SETSCREW)
Internal Drive StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6210-00-837-49385100-834-603R INTERCHANGEABLE
Light,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
4730-00-883-2176103152-1 INTERCHANGEABLE
Nut,tube Coupling
Metadure Parts & Sales, Inc.
Cross-Reference Index
Part NumberManufacturer
1031-521 PRIMARY Woodward, Inc. Div Fuel Systems and Controls (USA)
Related Parts
6210-00-837-4938INTERCHANGEABLE
LIGHT,INDICATOR
5100-834-603R
4730-00-883-2176INTERCHANGEABLE
NUT,TUBE COUPLING
103152-1

Frequently Asked Questions

What is NSN 5305-00-119-6525?

NSN 5305-00-119-6525 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 5305-00-119-6525?

NSN 5305-00-119-6525 has 1 cross-referenced part number: 1031-521 (Woodward, Inc. Div Fuel Systems and Controls).

What NSN replaces 5305-00-119-6525?

There are 2 known substitutes for 5305-00-119-6525: 6210-00-837-4938, 4730-00-883-2176. Verify interchangeability with system specifications before substitution.

What are the specifications of 1031-521?

Key specifications for 1031-521: Thread Direction: RIGHT-HAND; Thread Class: 2A A; Thread Quantity Per Inch: 32; Material: STEEL OVERALL. 15 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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