PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75026Screw,cap,hexagon Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-630-6021 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-630-6021 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-630-6021. Primary manufacturer part number: 75026.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Length: 2.500 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 16
  • Head Style: HEXAGON
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-630-6021, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 10 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
NSN5305-01-630-6021
Primary Part Number75026
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Thread Length2.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Quantity Per Inch16
Head StyleHEXAGON
Fastener Length2.500 INCHES NOMINAL IN
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2810-00-869-811975026 INTERCHANGEABLE
Adapter Assembly,ac
Textron Lycoming Inc Williamsport Plant
5310-00-880-59780770-8 INTERCHANGEABLE
Washer,flat
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5310-01-166-202658941 INTERCHANGEABLE
Washer,backup
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
75026 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
2810-00-869-8119INTERCHANGEABLE
ADAPTER ASSEMBLY,AC
75026
5310-00-880-5978INTERCHANGEABLE
WASHER,FLAT
0770-8
5310-01-166-2026INTERCHANGEABLE
WASHER,BACKUP
58941

Frequently Asked Questions

What is NSN 5305-01-630-6021?

NSN 5305-01-630-6021 is a Screw,cap,hexagon Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-630-6021?

NSN 5305-01-630-6021 has 1 cross-referenced part number: 75026 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-630-6021?

There are 3 known substitutes for 5305-01-630-6021: 2810-00-869-8119, 5310-00-880-5978, 5310-01-166-2026. Verify interchangeability with system specifications before substitution.

What are the specifications of 75026?

Key specifications for 75026: Thread Length: 2.500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; End Item Identification: 4320-01-617-7587; Thread Class: 2A A. 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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