PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35573Washer,flat

Meggitt (new Hampshire), Inc · NSN 5310-00-809-4229 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-809-4229 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-809-4229. Primary manufacturer part number: 35573.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.015 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.093 INCHES NOMINAL IN
  • Overall Diameter: 0.187 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
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 5310-00-809-4229, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meggitt (new Hampshire), Inc. Government technical data includes 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-809-4229
Primary Part Number35573
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMeggitt (new Hampshire), Inc
StatusACTIVE
Thickness0.015 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.093 INCHES NOMINAL IN
Overall Diameter0.187 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Hardness Rating75.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5325-00-426-752112366628 INTERCHANGEABLE
Ring,retaining
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-660-6771 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5133-00-988-5683 INTERCHANGEABLE
Drill,twist
6720-01-059-732835573 INTERCHANGEABLE
Source Assembly,light
Gurley Precision Instruments Inc
Cross-Reference Index
Part NumberManufacturer
35573 PRIMARY Meggitt (new Hampshire), Inc (USA)
Related Parts
5325-00-426-7521INTERCHANGEABLE
RING,RETAINING
12366628
5935-00-660-6771INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5133-00-988-5683INTERCHANGEABLE
DRILL,TWIST
6720-01-059-7328INTERCHANGEABLE
SOURCE ASSEMBLY,LIGHT
35573

Frequently Asked Questions

What is NSN 5310-00-809-4229?

NSN 5310-00-809-4229 is a Washer,flat, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-809-4229?

NSN 5310-00-809-4229 has 1 cross-referenced part number: 35573 (Meggitt (new Hampshire), Inc).

What NSN replaces 5310-00-809-4229?

There are 4 known substitutes for 5310-00-809-4229: 5325-00-426-7521, 5935-00-660-6771, 5133-00-988-5683 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35573?

Key specifications for 35573: Thickness: 0.015 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL; Surface Treatment: PASSIVATE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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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