PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90313A206Washer,flat

Mcmaster-Carr Supply Co · NSN 5310-01-559-7229 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-559-7229 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-559-7229. Primary manufacturer part number: 90313A206.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • Supplementary Features: ITEM THICKNESS MIN-MAX 0.056 TO 0.070 INCH IN
  • Hole Diameter: 0.328 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Peripheral Shape Style: ROUND
  • 1 verified cross-reference
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 5310-01-559-7229, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 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
NSN5310-01-559-7229
Primary Part Number90313A206
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Center Hole Shape StyleROUND
Overall Diameter0.625 INCHES NOMINAL IN
Supplementary FeaturesITEM THICKNESS MIN-MAX 0.056 TO 0.070 INCH IN
Hole Diameter0.328 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-589-4695144222 INTERCHANGEABLE
Washer,flat
Patriot3, Inc. Dba Patriot3 Inc
Cross-Reference Index
Part NumberManufacturer
90313A206 PRIMARY Mcmaster-Carr Supply Co (USA)
Related Parts
5310-01-589-4695INTERCHANGEABLE
WASHER,FLAT
144222

Frequently Asked Questions

What is NSN 5310-01-559-7229?

NSN 5310-01-559-7229 is a Washer,flat, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-559-7229?

NSN 5310-01-559-7229 has 1 cross-referenced part number: 90313A206 (Mcmaster-Carr Supply Co).

What NSN replaces 5310-01-559-7229?

There is 1 known substitute for 5310-01-559-7229: 5310-01-589-4695. Verify interchangeability with system specifications before substitution.

What are the specifications of 90313A206?

Key specifications for 90313A206: Center Hole Shape Style: ROUND; Overall Diameter: 0.625 INCHES NOMINAL IN; Supplementary Features: ITEM THICKNESS MIN-MAX 0.056 TO 0.070 INCH IN; Hole Diameter: 0.328 INCHES NOMINAL IN. 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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