PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS70CL328-563Washer,flat

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-285-5677 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-285-5677 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-285-5677. Primary manufacturer part number: NAS70CL328-563.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Overall Diameter: 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Thickness: 0.016 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-285-5677, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-285-5677
Primary Part NumberNAS70CL328-563
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Hole Diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Overall Diameter0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Thickness0.016 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
MaterialSTEEL COMP 302 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3040-00-458-8109A6-18 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
7320-01-582-7855SS-242 INTERCHANGEABLE
Table,food Preparation
Longhorn Water Co
Cross-Reference Index
Part NumberManufacturer
NAS70CL328-563 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
SS2-42 W. M. Berg, Inc. (USA)
Related Parts
3040-00-458-8109INTERCHANGEABLE
SHAFT,STRAIGHT
A6-18
7320-01-582-7855INTERCHANGEABLE
TABLE,FOOD PREPARATION
SS-242

Frequently Asked Questions

What is NSN 5310-00-285-5677?

NSN 5310-00-285-5677 is a Washer,flat, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-285-5677?

NSN 5310-00-285-5677 has 2 cross-referenced part numbers: NAS70CL328-563 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), SS2-42 (W. M. Berg, Inc.).

What NSN replaces 5310-00-285-5677?

There are 2 known substitutes for 5310-00-285-5677: 3040-00-458-8109, 7320-01-582-7855. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS70CL328-563?

Key specifications for NAS70CL328-563: Hole Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Overall Diameter: 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE OVERALL; Thickness: 0.016 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-285-5677 still in active supply?

NSN 5310-00-285-5677 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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