PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1149C0532RWasher,flat

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-618-6287 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-618-6287 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-618-6287. Primary manufacturer part number: NAS1149C0532R.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
  • Overall Diameter: 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
  • Hole Diameter: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 304 or Steel Comp 316 or Steel Comp 321 or Steel Comp 347 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-618-6287, 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 11 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: Active.

Technical Specifications
ParameterValue
NSN5310-01-618-6287
Primary Part NumberNAS1149C0532R
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
StatusACTIVE
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
Overall Diameter0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Hole Diameter0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Surface TreatmentPASSIVATE OVERALL
Specification/standard Data80205-NAS1149C0532R PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface Treatment Document and ClassificationAMS 2700, METHOD 1, TYPE 6 OR TYPE 7, CLASS1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationAMS5901 ASSN STD 1ST MATERIAL RESPONSE OR AMS5516 ASSN STD 2ND MATERIAL RESPONSE OR AMS5513 ASSN STD 3RD MATERIAL RESPONSE OR AMS5524 ASSN STD 4TH MATERIAL RESPONSE OR AMS5510 ASSN STD 5TH MATERIAL RESPONSE OR AMS5512 ASSN STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-167-0814NAS1149C0532R INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-325-7746 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
NAS1149C0532R National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AN960C516L Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
Related Parts
5310-00-167-0814INTERCHANGEABLE
WASHER,FLAT
NAS1149C0532R
5310-01-325-7746INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-01-618-6287?

NSN 5310-01-618-6287 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: active.

What are the part numbers for NSN 5310-01-618-6287?

NSN 5310-01-618-6287 has 2 cross-referenced part numbers: NAS1149C0532R (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), AN960C516L (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group).

What NSN replaces 5310-01-618-6287?

There are 2 known substitutes for 5310-01-618-6287: 5310-00-167-0814, 5310-01-325-7746. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1149C0532R?

Key specifications for NAS1149C0532R: Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL; Part Name Assigned by Controlling Agency: WASHER FLAT; Overall Diameter: 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND. 13 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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