PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

220233Washer,flat

Eaton Aerospace, Llc Dba Jackson South · NSN 5310-01-211-0696 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-211-0696 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-211-0696. Primary manufacturer part number: 220233.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-211-0696, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-211-0696
Primary Part Number220233
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Center Hole Shape StyleROUND
Hole Diameter0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.0598 INCHES NOMINAL IN
Surface Treatment Document and ClassificationVS 1-3-1-22,FSCM 62983 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6640-01-557-4709220233 INTERCHANGEABLE
Coupling,drain,thawing System
Helmer Scientific Llc Dba Helmer
Cross-Reference Index
Part NumberManufacturer
220233 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
6640-01-557-4709INTERCHANGEABLE
COUPLING,DRAIN,THAWING SYSTEM
220233

Frequently Asked Questions

What is NSN 5310-01-211-0696?

NSN 5310-01-211-0696 is a Washer,flat, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-211-0696?

NSN 5310-01-211-0696 has 1 cross-referenced part number: 220233 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5310-01-211-0696?

There is 1 known substitute for 5310-01-211-0696: 6640-01-557-4709. Verify interchangeability with system specifications before substitution.

What are the specifications of 220233?

Key specifications for 220233: Center Hole Shape Style: ROUND; Hole Diameter: 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN; Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL. 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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