PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

214904Bolt,machine

Army Weapons Command Attn Amswe-Ree-S · NSN 5306-00-021-4904 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-021-4904 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-021-4904. Primary manufacturer part number: 214904.
Features
  • Bolt,machine — FSC 5306
  • Thread Direction: RIGHT-HAND
  • Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Hole Quantity: 3
  • Thread Class: 2A A
  • Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
  • Fastener Length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
  • Hole Diameter: 0.062 INCHES NOMINAL 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 5306-00-021-4904, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 17 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
NSN5306-00-021-4904
Primary Part Number214904
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerArmy Weapons Command Attn Amswe-Ree-S
StatusACTIVE
Thread DirectionRIGHT-HAND
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Hole Quantity3
Thread Class2A A
Head Height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Fastener Length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Hole Diameter0.062 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length0.875 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
MaterialSTEEL OVERALL
Material Document and ClassificationSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.312 INCHES IN
Thread Quantity Per Inch18
Hole TypeDRILLED
Hole Configuration StyleHEXAGON FLATS
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-055-922910105980-4 INTERCHANGEABLE
Switch,thermostatic
Us Army Aviation and Missile Command
3110-00-196-549001-010998-038 INTERCHANGEABLE
Bearing,ball,annular
Western Sky Industries Inc Dba Electromech Techologies
5945-01-264-5086 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
214904 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
5930-00-055-9229INTERCHANGEABLE
SWITCH,THERMOSTATIC
10105980-4
3110-00-196-5490INTERCHANGEABLE
BEARING,BALL,ANNULAR
01-010998-038
5945-01-264-5086INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5306-00-021-4904?

NSN 5306-00-021-4904 is a Bolt,machine, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-021-4904?

NSN 5306-00-021-4904 has 1 cross-referenced part number: 214904 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5306-00-021-4904?

There are 3 known substitutes for 5306-00-021-4904: 5930-00-055-9229, 3110-00-196-5490, 5945-01-264-5086. Verify interchangeability with system specifications before substitution.

What are the specifications of 214904?

Key specifications for 214904: Thread Direction: RIGHT-HAND; Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Hole Quantity: 3; Thread Class: 2A A. 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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