PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22478Washer,flat

Dresser Industries Inc · NSN 5310-00-072-0393 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-072-0393 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-072-0393. Primary manufacturer part number: 22478.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL CORROSION RESISTING OVERALL
  • Overall Diameter: 1.062 INCHES NOMINAL IN
  • Hole Diameter: 0.312 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.188 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
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 5310-00-072-0393, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser Industries Inc. Government technical data includes 7 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
NSN5310-00-072-0393
Primary Part Number22478
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser Industries Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Overall Diameter1.062 INCHES NOMINAL IN
Hole Diameter0.312 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Thickness0.188 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-561-776022478 INTERCHANGEABLE
Retainer,seat,valve
Grove Valve Operations
6105-00-682-538222478 INTERCHANGEABLE
Housing,motor,fan
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Cross-Reference Index
Part NumberManufacturer
22478 Dresser Industries Inc (USA)
22478 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
4820-00-561-7760INTERCHANGEABLE
RETAINER,SEAT,VALVE
22478
6105-00-682-5382INTERCHANGEABLE
HOUSING,MOTOR,FAN
22478

Frequently Asked Questions

What is NSN 5310-00-072-0393?

NSN 5310-00-072-0393 is a Washer,flat, manufactured by Dresser Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-072-0393?

NSN 5310-00-072-0393 has 2 cross-referenced part numbers: 22478 (Dresser Industries Inc), 22478 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 5310-00-072-0393?

There are 2 known substitutes for 5310-00-072-0393: 4820-00-561-7760, 6105-00-682-5382. Verify interchangeability with system specifications before substitution.

What are the specifications of 22478?

Key specifications for 22478: Material: STEEL CORROSION RESISTING OVERALL; Overall Diameter: 1.062 INCHES NOMINAL IN; Hole Diameter: 0.312 INCHES NOMINAL IN; Center Hole Shape Style: ROUND. 7 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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