PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4337Bolt,machine

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5306-00-208-5382 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-208-5382 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-208-5382. Primary manufacturer part number: 4337.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.562 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 16
  • Thread Class: 3A A
  • Material: STEEL OVERALL
  • Thread Length: 1.438 INCHES MINIMUM 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 5306-00-208-5382, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-208-5382
Primary Part Number4337
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Width Between Flats0.562 INCHES NOMINAL IN
Head StyleHEXAGON
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch16
Thread Class3A A
MaterialSTEEL OVERALL
Thread Length1.438 INCHES MINIMUM IN
Fastener Length3.000 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Thread DirectionRIGHT-HAND
Head Height0.281 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
2805-00-386-34296107385 INTERCHANGEABLE
Valve,poppet,engine
General Motors Llc Dba General Motors Llc
4720-00-393-3908 INTERCHANGEABLE
Hose Assembly,nonmetallic
4520-00-871-83934337 INTERCHANGEABLE
Heating Element,electrical,nonim
Hoyt Corporation
5935-01-034-82204337 INTERCHANGEABLE
Connector Body,plug,electrical
General Microwave Corporation Div Kratos Microwave Electronics
5355-01-062-22474337 INTERCHANGEABLE
Knob
Avo Intl
4820-01-091-294692031E INTERCHANGEABLE
Seal Union Assembly,valve
Griswold Industries Dba Cla-Val Co
2925-01-178-00634337 INTERCHANGEABLE
Switch,lock,ignition
Adams Rite Aerospace, Inc
5330-01-324-884843-37 INTERCHANGEABLE
Ring,wiper
Ortman Fluid Power Quincy Compressor Div Sub of Coltec Industries Inc
5305-01-387-12524337 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
5310-01-394-44734337 INTERCHANGEABLE
Washer,lock
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Cross-Reference Index
Part NumberManufacturer
4337 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
4337 Hercules Engine Co Inc (USA)
4337A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
4337A Hercules Engine Co Inc (USA)
Related Parts
2805-00-386-3429INTERCHANGEABLE
VALVE,POPPET,ENGINE
6107385
4720-00-393-3908INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4520-00-871-8393INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
4337
5935-01-034-8220INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
4337
5355-01-062-2247INTERCHANGEABLE
KNOB
4337
4820-01-091-2946INTERCHANGEABLE
SEAL UNION ASSEMBLY,VALVE
92031E
2925-01-178-0063INTERCHANGEABLE
SWITCH,LOCK,IGNITION
4337
5330-01-324-8848INTERCHANGEABLE
RING,WIPER
43-37
5305-01-387-1252INTERCHANGEABLE
SCREW,SHOULDER
4337
5310-01-394-4473INTERCHANGEABLE
WASHER,LOCK
4337
6220-01-595-4730INTERCHANGEABLE
LAMP UNIT,VEHICULAR
M165SA-MV

Frequently Asked Questions

What is NSN 5306-00-208-5382?

NSN 5306-00-208-5382 is a Bolt,machine, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-208-5382?

NSN 5306-00-208-5382 has 4 cross-referenced part numbers: 4337 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 4337 (Hercules Engine Co Inc), 4337A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 4337A (Hercules Engine Co Inc).

What NSN replaces 5306-00-208-5382?

There are 11 known substitutes for 5306-00-208-5382: 2805-00-386-3429, 4720-00-393-3908, 4520-00-871-8393 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4337?

Key specifications for 4337: Width Between Flats: 0.562 INCHES NOMINAL IN; Head Style: HEXAGON; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 16. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-208-5382 still in active supply?

NSN 5306-00-208-5382 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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