PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4604ABolt,machine

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5306-00-298-8619 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-298-8619 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-298-8619. Primary manufacturer part number: 4604A.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 20
  • Head Height: 0.188 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Width Between Flats: 0.438 INCHES NOMINAL IN
  • Fastener Length: 0.625 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Hole Quantity: 1
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 5306-00-298-8619, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5306-00-298-8619
Primary Part Number4604A
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
Thread Quantity Per Inch20
Head Height0.188 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Width Between Flats0.438 INCHES NOMINAL IN
Fastener Length0.625 INCHES NOMINAL IN
Head StyleHEXAGON
Hole Quantity1
Grip Length0.125 INCHES NOMINAL IN
Hole Diameter0.062 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.500 INCHES NOMINAL IN
Features ProvidedUNFINISHED HEAD
Thread Class3A A
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hole TypeDRILLED
Hole Configuration StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6220-00-496-30154604 INTERCHANGEABLE
Lens,light
Ktm 2 Llc Dba Arrow Safety Device Company
Cross-Reference Index
Part NumberManufacturer
147987 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
4604A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
4604A Hercules Engine Co Inc (USA)
Related Parts
6220-00-496-3015INTERCHANGEABLE
LENS,LIGHT
4604

Frequently Asked Questions

What is NSN 5306-00-298-8619?

NSN 5306-00-298-8619 is a Bolt,machine, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-298-8619?

NSN 5306-00-298-8619 has 3 cross-referenced part numbers: 147987 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), 4604A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 4604A (Hercules Engine Co Inc).

What NSN replaces 5306-00-298-8619?

There is 1 known substitute for 5306-00-298-8619: 6220-00-496-3015. Verify interchangeability with system specifications before substitution.

What are the specifications of 4604A?

Key specifications for 4604A: Thread Quantity Per Inch: 20; Head Height: 0.188 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Width Between Flats: 0.438 INCHES NOMINAL IN. 17 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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