PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MW6420000A40000Washer,flat

Fastenal Company Div Alga · NSN 5310-01-617-1593 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-617-1593 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-617-1593. Primary manufacturer part number: MW6420000A40000.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 13.00 MILLIMETERS MINIMUM AND 13.27 MILLIMETERS MAXIMUM MM
  • Thickness: 2.30 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 23.48 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM MM
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-617-1593, 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 Div Alga. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-617-1593
Primary Part NumberMW6420000A40000
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Div Alga
StatusACTIVE
Hole Diameter13.00 MILLIMETERS MINIMUM AND 13.27 MILLIMETERS MAXIMUM MM
Thickness2.30 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM
Peripheral Shape StyleROUND
Overall Diameter23.48 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM MM
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-569-0805MW6420000A40000 INTERCHANGEABLE
Washer,flat
Fastenal Company
Cross-Reference Index
Part NumberManufacturer
MW6420000A40000 PRIMARY Fastenal Company Div Alga (USA)
Related Parts
5310-01-569-0805INTERCHANGEABLE
WASHER,FLAT
MW6420000A40000

Frequently Asked Questions

What is NSN 5310-01-617-1593?

NSN 5310-01-617-1593 is a Washer,flat, manufactured by Fastenal Company Div Alga, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-617-1593?

NSN 5310-01-617-1593 has 1 cross-referenced part number: MW6420000A40000 (Fastenal Company Div Alga).

What NSN replaces 5310-01-617-1593?

There is 1 known substitute for 5310-01-617-1593: 5310-01-569-0805. Verify interchangeability with system specifications before substitution.

What are the specifications of MW6420000A40000?

Key specifications for MW6420000A40000: Hole Diameter: 13.00 MILLIMETERS MINIMUM AND 13.27 MILLIMETERS MAXIMUM MM; End Item Identification: 6625015601265; Part Name Assigned by Controlling Agency: WASHER,FLAT; Thickness: 2.30 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM. 9 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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