PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221733Washer,flat

Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling · NSN 5310-01-098-9091 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-098-9091 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-098-9091. Primary manufacturer part number: 221733.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: ZINC OR CADMIUM OVERALL
  • Overall Diameter: 1.118 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
  • Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
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 5310-01-098-9091, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. Government technical data includes 8 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
NSN5310-01-098-9091
Primary Part Number221733
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
StatusACTIVE
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentZINC OR CADMIUM OVERALL
Overall Diameter1.118 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Hole Diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6550-01-298-7456221733 INTERCHANGEABLE
Culture Medium,anaerobic Cdc Blo
Becton, Dickinson and Company Dba Becton Dickinson & Co
4730-01-567-6251221733 INTERCHANGEABLE
Body Bumper
Eaton Corporation Dba Eaton Inoac
Cross-Reference Index
Part NumberManufacturer
221733 Hyster-Yale Group, Inc. (USA)
221733 PRIMARY Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
Related Parts
6550-01-298-7456INTERCHANGEABLE
CULTURE MEDIUM,ANAEROBIC CDC BLO
221733
4730-01-567-6251INTERCHANGEABLE
BODY BUMPER
221733

Frequently Asked Questions

What is NSN 5310-01-098-9091?

NSN 5310-01-098-9091 is a Washer,flat, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-098-9091?

NSN 5310-01-098-9091 has 2 cross-referenced part numbers: 221733 (Hyster-Yale Group, Inc.), 221733 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).

What NSN replaces 5310-01-098-9091?

There are 2 known substitutes for 5310-01-098-9091: 6550-01-298-7456, 4730-01-567-6251. Verify interchangeability with system specifications before substitution.

What are the specifications of 221733?

Key specifications for 221733: Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OR CADMIUM OVERALL; Overall Diameter: 1.118 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN. 8 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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