PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

451976Bolt,assembled Washer

Army, United States Department of the Dba Rock Island Arsenal Jmtc · NSN 5306-00-045-1976 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-045-1976 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-045-1976. Primary manufacturer part number: 451976.
Features
  • Bolt,assembled Washer — FSC 5306
  • Head Style: HEXAGON
  • Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Material Document and Classification: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Thread Quantity Per Inch: 16
  • Washer Quantity: 1
  • Primary Washer Material Thickness: 0.094 INCHES NOMINAL IN
  • Thread Length: 0.750 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 or Steel Comp 1020 Overall construction
General Description

The Bolt,assembled Washer, cataloged under National Stock Number 5306-00-045-1976, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-045-1976
Primary Part Number451976
Item NameBolt,assembled Washer
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusACTIVE
Head StyleHEXAGON
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Material Document and ClassificationASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
Thread Quantity Per Inch16
Washer Quantity1
Primary Washer Material Thickness0.094 INCHES NOMINAL IN
Thread Length0.750 INCHES MAXIMUM IN
MaterialSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.750 INCHES MINIMUM IN
Primary Washer Outside Diameter0.635 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Height0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
Thread Class2A A
Nominal Thread Diameter0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-292-3292NAS836-6A INTERCHANGEABLE
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
1560-00-520-9166451976 INTERCHANGEABLE
Shunt Assy,veryhigh
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
451976 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
451976 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
5340-00-292-3292INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS836-6A
1560-00-520-9166INTERCHANGEABLE
SHUNT ASSY,VERYHIGH
451976

Frequently Asked Questions

What is NSN 5306-00-045-1976?

NSN 5306-00-045-1976 is a Bolt,assembled Washer, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-045-1976?

NSN 5306-00-045-1976 has 2 cross-referenced part numbers: 451976 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 451976 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5306-00-045-1976?

There are 2 known substitutes for 5306-00-045-1976: 5340-00-292-3292, 1560-00-520-9166. Verify interchangeability with system specifications before substitution.

What are the specifications of 451976?

Key specifications for 451976: Head Style: HEXAGON; Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Material Document and Classification: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL; Thread Quantity Per Inch: 16. 16 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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