PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-282Washer,flat

Dresser Industries Inc Leroi Div · NSN 5310-00-430-0393 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-430-0393 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-430-0393. Primary manufacturer part number: 20-282.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.531 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.812 INCHES NOMINAL IN
  • Thickness: 0.062 INCHES NOMINAL 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 5310-00-430-0393, 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 Leroi Div. Government technical data includes 7 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-430-0393
Primary Part Number20-282
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Peripheral Shape StyleROUND
Hole Diameter0.531 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Overall Diameter0.812 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-202-454920-282 INTERCHANGEABLE
Retainer,packing
Pakon Inc Dba Impak Division
5355-00-644-388620282 INTERCHANGEABLE
Knob
Raytheon Company Dba Raytheon
4820-00-989-5048B-232-0-03 INTERCHANGEABLE
Valve,globe
Hunt Valve Company, Inc.
9540-01-072-1180 INTERCHANGEABLE
Beam,structural
5962-01-118-5895 INTERCHANGEABLE
Microcircuit,digital
4820-01-262-751420282R51M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-368-6436 INTERCHANGEABLE
Valve,angle
5995-01-611-252520282 INTERCHANGEABLE
Cable Assembly,ribbon,electrical
Semx Corporation Dba Semi Conductor Packaging Material
Cross-Reference Index
Part NumberManufacturer
20-282 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
5330-00-202-4549INTERCHANGEABLE
RETAINER,PACKING
20-282
5355-00-644-3886INTERCHANGEABLE
KNOB
20282
4820-00-989-5048INTERCHANGEABLE
VALVE,GLOBE
B-232-0-03
9540-01-072-1180INTERCHANGEABLE
BEAM,STRUCTURAL
5962-01-118-5895INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4820-01-262-7514INTERCHANGEABLE
VALVE,SAFETY RELIEF
20282R51M
4820-01-368-6436INTERCHANGEABLE
VALVE,ANGLE
5995-01-611-2525INTERCHANGEABLE
CABLE ASSEMBLY,RIBBON,ELECTRICAL
20282

Frequently Asked Questions

What is NSN 5310-00-430-0393?

NSN 5310-00-430-0393 is a Washer,flat, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-430-0393?

NSN 5310-00-430-0393 has 1 cross-referenced part number: 20-282 (Dresser Industries Inc Leroi Div).

What NSN replaces 5310-00-430-0393?

There are 8 known substitutes for 5310-00-430-0393: 5330-00-202-4549, 5355-00-644-3886, 4820-00-989-5048 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-282?

Key specifications for 20-282: Peripheral Shape Style: ROUND; Hole Diameter: 0.531 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL OVERALL. 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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