PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1037-662Screw,cap,socket Head

Woodward, Inc. Div Fuel Systems and Controls · NSN 5305-01-191-2081 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-191-2081 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-191-2081. Primary manufacturer part number: 1037-662.
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 0.1406 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM IN
  • Internal Drive Style: HEXAGON
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Head Height: 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-191-2081, 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 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-191-2081
Primary Part Number1037-662
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWoodward, Inc. Div Fuel Systems and Controls
StatusACTIVE
Width Across Flats0.1406 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Thread Quantity Per Inch32
Thread Length0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Head Height0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
Hardness Rating25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentPASSIVATE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.164 INCHES IN
Head StyleFLAT CHAMFER
Thread DirectionRIGHT-HAND
Head Diameter0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Class3A A
MaterialSTEEL COMP 410 OVERALL
Fastener Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-551-7770 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
1037-662 PRIMARY Woodward, Inc. Div Fuel Systems and Controls (USA)
Related Parts
5310-00-551-7770INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5305-01-191-2081?

NSN 5305-01-191-2081 is a Screw,cap,socket Head, 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 5305-01-191-2081?

NSN 5305-01-191-2081 has 1 cross-referenced part number: 1037-662 (Woodward, Inc. Div Fuel Systems and Controls).

What NSN replaces 5305-01-191-2081?

There is 1 known substitute for 5305-01-191-2081: 5310-00-551-7770. Verify interchangeability with system specifications before substitution.

What are the specifications of 1037-662?

Key specifications for 1037-662: Width Across Flats: 0.1406 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM IN; Internal Drive Style: HEXAGON; Thread Quantity Per Inch: 32; Thread Length: 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com