PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8459749Washer,lock

Army, United States Department of the Dba Rock Island Arsenal Jmtc · NSN 5310-00-331-8059 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-331-8059 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-331-8059. Primary manufacturer part number: 8459749.
Features
  • Washer,lock — FSC 5310
  • Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 268 OVERALL
  • Outside Diameter: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • Material Thickness: 0.0234 INCHES MINIMUM AND 0.0274 INCHES MAXIMUM IN
  • Hole Diameter: 0.139 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Army, United States Department of the Dba Rock Island Arsenal Jmtc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 268 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-331-8059, is classified within Federal Supply Class 5310 (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 5 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-331-8059
Primary Part Number8459749
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusCANCELLED
Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 268 OVERALL
Outside Diameter0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Material Thickness0.0234 INCHES MINIMUM AND 0.0274 INCHES MAXIMUM IN
Hole Diameter0.139 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5950-00-004-0221986051-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5940-00-287-049641426 INTERCHANGEABLE
Terminal Board Assembly
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
5950-01-158-247913153277-1 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5962-01-177-073341426 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
41426DWGK833262-3 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
0RDJR0ME26 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
41426 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
8459749 PRIMARY Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
Related Parts
5950-00-004-0221INTERCHANGEABLE
REACTOR
986051-1
5940-00-287-0496INTERCHANGEABLE
TERMINAL BOARD ASSEMBLY
41426
5950-01-158-2479INTERCHANGEABLE
TRANSFORMER,POWER
13153277-1
5962-01-177-0733INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
41426

Frequently Asked Questions

What is NSN 5310-00-331-8059?

NSN 5310-00-331-8059 is a Washer,lock, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-331-8059?

NSN 5310-00-331-8059 has 4 cross-referenced part numbers: 41426DWGK833262-3 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 0RDJR0ME26 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 41426 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 8459749 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).

What NSN replaces 5310-00-331-8059?

There are 4 known substitutes for 5310-00-331-8059: 5950-00-004-0221, 5940-00-287-0496, 5950-01-158-2479 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8459749?

Key specifications for 8459749: Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 268 OVERALL; Overall Height: 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Outside Diameter: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-331-8059 still in active supply?

NSN 5310-00-331-8059 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.
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