PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

02-648387Washer,flat

Harbormaster Marine, Inc · NSN 5310-00-262-4746 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-4746 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-4746. Primary manufacturer part number: 02-648387.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
  • Features Provided: CASEHARDENED
  • Thickness: 0.065 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 1.219 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-262-4746, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Harbormaster Marine, Inc. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-262-4746
Primary Part Number02-648387
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHarbormaster Marine, Inc
StatusCANCELLED
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Features ProvidedCASEHARDENED
Thickness0.065 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.219 INCHES NOMINAL IN
Hole Diameter0.642 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-00-543-4488104948 INTERCHANGEABLE
Washer,flat
Garwood/feller Inc Garwood Winch Div
Cross-Reference Index
Part NumberManufacturer
MAK61 Prestolite Electric Inc (USA)
02-648387 PRIMARY Harbormaster Marine, Inc (USA)
1110989 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
648387 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5310-00-543-4488INTERCHANGEABLE
WASHER,FLAT
104948

Frequently Asked Questions

What is NSN 5310-00-262-4746?

NSN 5310-00-262-4746 is a Washer,flat, manufactured by Harbormaster Marine, Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-262-4746?

NSN 5310-00-262-4746 has 4 cross-referenced part numbers: MAK61 (Prestolite Electric Inc), 02-648387 (Harbormaster Marine, Inc), 1110989 (Chrysler Realty Company Llc Dba Daimler Chrysler), 648387 (Chrysler Realty Company Llc Dba Daimler Chrysler).

What NSN replaces 5310-00-262-4746?

There is 1 known substitute for 5310-00-262-4746: 5310-00-543-4488. Verify interchangeability with system specifications before substitution.

What are the specifications of 02-648387?

Key specifications for 02-648387: Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Material: STEEL OVERALL; Features Provided: CASEHARDENED. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-262-4746 still in active supply?

NSN 5310-00-262-4746 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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