PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8000803O-Ring

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5331-00-073-8163 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-073-8163 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-073-8163. Primary manufacturer part number: 8000803.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.170 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • 2 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-073-8163, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-073-8163
Primary Part Number8000803
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Center Hole Diameter0.170 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
Cross-Sectional Height0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-187-968451181 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5310-00-282-4785AN150437 INTERCHANGEABLE
Nut,plain,slotted,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-00-288-3975213-6 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5815-00-339-1515 INTERCHANGEABLE
Copyholder,typist's
Cross-Reference Index
Part NumberManufacturer
56550 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
8000803 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5905-00-187-9684INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
51181
5310-00-282-4785INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
AN150437
4720-00-288-3975INTERCHANGEABLE
HOSE,NONMETALLIC
213-6
5815-00-339-1515INTERCHANGEABLE
COPYHOLDER,TYPIST'S

Frequently Asked Questions

What is NSN 5331-00-073-8163?

NSN 5331-00-073-8163 is a O-Ring, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-073-8163?

NSN 5331-00-073-8163 has 2 cross-referenced part numbers: 56550 (Parker Hannifin Corporation Div Hydraulic Systems Division), 8000803 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5331-00-073-8163?

There are 4 known substitutes for 5331-00-073-8163: 5905-00-187-9684, 5310-00-282-4785, 4720-00-288-3975 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8000803?

Key specifications for 8000803: Center Hole Diameter: 0.170 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN; Cross-Sectional Height: 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 3 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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