PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10490323Washer,lock

Fastenal Company Dba Fastenal Co · NSN 5310-01-733-1764 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-733-1764 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-733-1764. Primary manufacturer part number: 10490323.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.125 INCHES MINIMUM IN
  • Material: STEEL OVERALL
  • Hole Diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: MAGNI BLACK 575 MFR REF SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: AISI 1055-1065, MN IS ALLOWED MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Color: BLACK OVERALL
  • Outside Diameter: 0.869 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-733-1764, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN5310-01-733-1764
Primary Part Number10490323
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Material Thickness0.125 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Hole Diameter0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMAGNI BLACK 575 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationAISI 1055-1065, MN IS ALLOWED MFR REF SINGLE MATERIAL RESPONSE OVERALL
ColorBLACK OVERALL
Outside Diameter0.869 INCHES MAXIMUM IN
Surface TreatmentZINC OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hardness Rating38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-902-371011697428 INTERCHANGEABLE
Gear,spur
Army, United States Department of the Dba Rock Island Arsenal Jmtc
7520-01-465-144938600 INTERCHANGEABLE
Pen,ball-Point
Pilot Corporation of America
5310-01-557-060033625 INTERCHANGEABLE
Washer,lock
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
33625 Fastenal Company Dba Fastenal Co (USA)
10490323 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
3020-00-902-3710INTERCHANGEABLE
GEAR,SPUR
11697428
7520-01-465-1449INTERCHANGEABLE
PEN,BALL-POINT
38600
5310-01-557-0600INTERCHANGEABLE
WASHER,LOCK
33625

Frequently Asked Questions

What is NSN 5310-01-733-1764?

NSN 5310-01-733-1764 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-733-1764?

NSN 5310-01-733-1764 has 2 cross-referenced part numbers: 33625 (Fastenal Company Dba Fastenal Co), 10490323 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-733-1764?

There are 3 known substitutes for 5310-01-733-1764: 3020-00-902-3710, 7520-01-465-1449, 5310-01-557-0600. Verify interchangeability with system specifications before substitution.

What are the specifications of 10490323?

Key specifications for 10490323: Material Thickness: 0.125 INCHES MINIMUM IN; Material: STEEL OVERALL; Hole Diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MAGNI BLACK 575 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 12 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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