PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18274Bolt,machine

Fastenal Company Dba Fastenal Co · NSN 5306-01-553-1337 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-553-1337 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-553-1337. Primary manufacturer part number: 18274.
Features
  • Bolt,machine — FSC 5306
  • Thread Series Designator: UNF
  • Grip Diameter: 0.555 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 18
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Head Height: 0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.562 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-01-553-1337, is classified within Federal Supply Class 5306 (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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-553-1337
Primary Part Number18274
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Thread Series DesignatorUNF
Grip Diameter0.555 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Thread Quantity Per Inch18
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Head Height0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
Nominal Thread Diameter0.562 INCHES IN
Grip Length4.125 INCHES NOMINAL IN
Width Between Flats0.812 INCHES NOMINAL IN
Thread Length1.375 INCHES NOMINAL IN
Head StyleHEXAGON
Fastener Length5.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3020-00-034-3947 INTERCHANGEABLE
Gear,spur
5330-00-586-5394 INTERCHANGEABLE
Packing Assembly
5977-00-660-8359 INTERCHANGEABLE
Brush,electrical Contact
5305-00-958-6365MS35190-260 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
9905-01-046-405018274 INTERCHANGEABLE
Plate,instruction
Hdt Expeditionary Systems Inc
5950-01-241-7692PA60012/1-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
8105-01-317-24482448 INTERCHANGEABLE
Sack,shipping
American Packaging I, Inc.
5895-01-461-328818274 INTERCHANGEABLE
Keyboard,data Entry
Touchstone Technology, Inc. Dba Touchstone Technology Inc
5306-01-557-051112759-00622 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
1001767 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
T5549 The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc (USA)
18274 PRIMARY Fastenal Company Dba Fastenal Co (USA)
12759-00411 Fastenal Company Dba Fastenal Co (USA)
Related Parts
3020-00-034-3947INTERCHANGEABLE
GEAR,SPUR
5330-00-586-5394INTERCHANGEABLE
PACKING ASSEMBLY
5977-00-660-8359INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5305-00-958-6365INTERCHANGEABLE
SCREW,MACHINE
MS35190-260
9905-01-046-4050INTERCHANGEABLE
PLATE,INSTRUCTION
18274
5950-01-241-7692INTERCHANGEABLE
TRANSFORMER,POWER
PA60012/1-1
8105-01-317-2448INTERCHANGEABLE
SACK,SHIPPING
2448
5895-01-461-3288INTERCHANGEABLE
KEYBOARD,DATA ENTRY
18274
5306-01-557-0511INTERCHANGEABLE
BOLT,MACHINE
12759-00622

Frequently Asked Questions

What is NSN 5306-01-553-1337?

NSN 5306-01-553-1337 is a Bolt,machine, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-553-1337?

NSN 5306-01-553-1337 has 4 cross-referenced part numbers: 1001767 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), T5549 (The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc), 18274 (Fastenal Company Dba Fastenal Co), 12759-00411 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5306-01-553-1337?

There are 9 known substitutes for 5306-01-553-1337: 3020-00-034-3947, 5330-00-586-5394, 5977-00-660-8359 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18274?

Key specifications for 18274: Thread Series Designator: UNF; Grip Diameter: 0.555 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN; Special Features: 9/16-18X 5 1/2 GRADE 8 PLAIN FINISH HEX CAP SCREW. WRENCH SIZE 13/16.; Thread Quantity Per Inch: 18. 15 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