PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24221Screw,machine

Fastenal Company Dba Fastenal Co · NSN 5305-01-556-6641 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-556-6641 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-556-6641. Primary manufacturer part number: 24221.
Features
  • Screw,machine — FSC 5305
  • 3 verified cross-references
  • Primary manufacturer: Fastenal Company Dba Fastenal Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-556-6641, 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. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-556-6641
Primary Part Number24221
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2520-00-163-247624221 INTERCHANGEABLE
Countershaft
Komatsu America Corporation
5133-00-262-2162 INTERCHANGEABLE
Drill,twist
4820-00-947-397424221-P INTERCHANGEABLE
Valve,angle
Primore Sales Inc
8030-01-104-5392AN0321 INTERCHANGEABLE
Sealing Compound
Saftlok International Corp.
5935-01-313-605524221 INTERCHANGEABLE
Shell,electrical Connector
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
3130-01-339-134524221 INTERCHANGEABLE
Bearing Unit,ball
Burch Company Inc, the
5998-01-349-2295 INTERCHANGEABLE
Circuit Card Assembly
5305-01-389-739124221 INTERCHANGEABLE
Screw,machine
Basler Electric Co
8030-01-516-0406LOCTITE 24221 10CC INTERCHANGEABLE
Sealing Compound
Loctite Corp
5977-01-519-494524221 INTERCHANGEABLE
Electrode
A. O. Smith Corporation Dba a O Smith Corp
Cross-Reference Index
Part NumberManufacturer
5310000652-00 Nd Defense Llc (USA)
24221 PRIMARY Fastenal Company Dba Fastenal Co (USA)
12759-00579 Fastenal Company Dba Fastenal Co (USA)
Related Parts
2520-00-163-2476INTERCHANGEABLE
COUNTERSHAFT
24221
5133-00-262-2162INTERCHANGEABLE
DRILL,TWIST
4820-00-947-3974INTERCHANGEABLE
VALVE,ANGLE
24221-P
8030-01-104-5392INTERCHANGEABLE
SEALING COMPOUND
AN0321
5935-01-313-6055INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
24221
3130-01-339-1345INTERCHANGEABLE
BEARING UNIT,BALL
24221
5998-01-349-2295INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5305-01-389-7391INTERCHANGEABLE
SCREW,MACHINE
24221
8030-01-516-0406INTERCHANGEABLE
SEALING COMPOUND
LOCTITE 24221 10CC
5977-01-519-4945INTERCHANGEABLE
ELECTRODE
24221
5340-01-538-0174INTERCHANGEABLE
BRACKET,MOUNTING

Frequently Asked Questions

What is NSN 5305-01-556-6641?

NSN 5305-01-556-6641 is a Screw,machine, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-556-6641?

NSN 5305-01-556-6641 has 3 cross-referenced part numbers: 5310000652-00 (Nd Defense Llc), 24221 (Fastenal Company Dba Fastenal Co), 12759-00579 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-556-6641?

There are 11 known substitutes for 5305-01-556-6641: 2520-00-163-2476, 5133-00-262-2162, 4820-00-947-3974 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24221?

Key specifications for 24221: End Item Identification: MRAP - UNIQUE NSN - MAXXPRO CAT I. 1 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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