PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

111443Washer,flat

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · NSN 5310-00-498-9855 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-498-9855 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-498-9855. Primary manufacturer part number: 111443.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.625 INCHES NOMINAL IN
  • Material: PLASTIC OVERALL
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-498-9855, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-498-9855
Primary Part Number111443
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
StatusACTIVE
Hole Diameter0.625 INCHES NOMINAL IN
MaterialPLASTIC OVERALL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
7920-00-577-4057111443 INTERCHANGEABLE
Brush,wire,tube
Mill Rose Co Div the Mill Rose Company
5905-00-933-5301 INTERCHANGEABLE
Resistor,fixed,film
4730-01-174-952411144-3 INTERCHANGEABLE
Strainer Element,sediment
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
111443 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (USA)
111443 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
Related Parts
7920-00-577-4057INTERCHANGEABLE
BRUSH,WIRE,TUBE
111443
5905-00-933-5301INTERCHANGEABLE
RESISTOR,FIXED,FILM
4730-01-174-9524INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
11144-3

Frequently Asked Questions

What is NSN 5310-00-498-9855?

NSN 5310-00-498-9855 is a Washer,flat, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-498-9855?

NSN 5310-00-498-9855 has 2 cross-referenced part numbers: 111443 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division), 111443 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).

What NSN replaces 5310-00-498-9855?

There are 3 known substitutes for 5310-00-498-9855: 7920-00-577-4057, 5905-00-933-5301, 4730-01-174-9524. Verify interchangeability with system specifications before substitution.

What are the specifications of 111443?

Key specifications for 111443: Hole Diameter: 0.625 INCHES NOMINAL IN; Material: PLASTIC OVERALL; Center Hole Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR. 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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