PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

808020Washer,flat

Ldi Industries, Inc. Dba Ldi Industries Inc · NSN 5310-00-462-4569 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-462-4569 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-462-4569. Primary manufacturer part number: 808020.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.498 INCHES MINIMUM AND 0.518 INCHES MAXIMUM IN
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
  • Thickness: 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Natural or Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-462-4569, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ldi Industries, Inc. Dba Ldi Industries Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-462-4569
Primary Part Number808020
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLdi Industries, Inc. Dba Ldi Industries Inc
StatusACTIVE
Hole Diameter0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Overall Diameter0.498 INCHES MINIMUM AND 0.518 INCHES MAXIMUM IN
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
Thickness0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-107-810110155 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
5365-00-271-73901349 INTERCHANGEABLE
Shim
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4320-00-339-24151349 INTERCHANGEABLE
Impeller,pump,centrifugal
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4820-00-357-9339134-9 INTERCHANGEABLE
Diaphragm,regulator
Dockson Corporation
3110-00-413-74631349 INTERCHANGEABLE
Retainer
Lockheed Martin Corporation Div Rms - Mitchel Field
2805-00-516-7219140136 INTERCHANGEABLE
Valve,poppet,engine
Dresser, Llc
3040-00-536-9698 INTERCHANGEABLE
Lining,friction
5815-00-976-1219 INTERCHANGEABLE
Retainer
5310-01-085-0985 INTERCHANGEABLE
Nut,plain,hexagon
5945-01-135-4011808020 INTERCHANGEABLE
Relay,electromagnetic
North Atlantic Industries, Inc. Dba North Atlantic Industries
Cross-Reference Index
Part NumberManufacturer
808020 PRIMARY Ldi Industries, Inc. Dba Ldi Industries Inc (USA)
134-9 Ldi Industries, Inc. Dba Ldi Industries Inc (USA)
1EX041069-1134-9 Ldi Industries, Inc. Dba Ldi Industries Inc (USA)
Related Parts
6625-00-107-8101INTERCHANGEABLE
VOLTMETER
10155
5365-00-271-7390INTERCHANGEABLE
SHIM
1349
4320-00-339-2415INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
1349
4820-00-357-9339INTERCHANGEABLE
DIAPHRAGM,REGULATOR
134-9
3110-00-413-7463INTERCHANGEABLE
RETAINER
1349
2805-00-516-7219INTERCHANGEABLE
VALVE,POPPET,ENGINE
140136
3040-00-536-9698INTERCHANGEABLE
LINING,FRICTION
5815-00-976-1219INTERCHANGEABLE
RETAINER
5310-01-085-0985INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5945-01-135-4011INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
808020
4310-01-135-5569INTERCHANGEABLE
VACUUM PUMP UNIT,ROTARY
104798
5305-01-175-3589INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1349

Frequently Asked Questions

What is NSN 5310-00-462-4569?

NSN 5310-00-462-4569 is a Washer,flat, manufactured by Ldi Industries, Inc. Dba Ldi Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-462-4569?

NSN 5310-00-462-4569 has 3 cross-referenced part numbers: 808020 (Ldi Industries, Inc. Dba Ldi Industries Inc), 134-9 (Ldi Industries, Inc. Dba Ldi Industries Inc), 1EX041069-1134-9 (Ldi Industries, Inc. Dba Ldi Industries Inc).

What NSN replaces 5310-00-462-4569?

There are 12 known substitutes for 5310-00-462-4569: 6625-00-107-8101, 5365-00-271-7390, 4320-00-339-2415 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 808020?

Key specifications for 808020: Hole Diameter: 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Overall Diameter: 0.498 INCHES MINIMUM AND 0.518 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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