PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-329N643-60O-Ring

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · NSN 5331-00-551-9118 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-551-9118 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-551-9118. Primary manufacturer part number: 2-329N643-60.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.965 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 6 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-551-9118, is classified within Federal Supply Class 5331 (O-Ring) 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-551-9118
Primary Part Number2-329N643-60
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
StatusCANCELLED
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Center Hole Diameter1.965 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5331-00-194-3710 INTERCHANGEABLE
O-Ring
6685-00-515-4595 INTERCHANGEABLE
Indicator,pressure
4720-00-913-164316NA14-522 INTERCHANGEABLE
Hose Assembly,metallic
Carrier Corp
4320-01-096-5142 INTERCHANGEABLE
Pump,axial Pistons
5315-01-311-1444182032 INTERCHANGEABLE
Pin,straight,headed
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
2H-3088 Navantia Sa Sme. Div Navantia Hq (ESP)
2H3088 Caterpillar Inc Div Caterpillar Defense (USA)
2H3088 Reliance Comm/tec Corp Lorain Products Div (USA)
2H-3088 Navantia - Propulsion Y Energia Motores - Cartagena (ESP)
2-329N643-60 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
1820-32 Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA)
Related Parts
5331-00-194-3710INTERCHANGEABLE
O-RING
6685-00-515-4595INTERCHANGEABLE
INDICATOR,PRESSURE
4720-00-913-1643INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
16NA14-522
4320-01-096-5142INTERCHANGEABLE
PUMP,AXIAL PISTONS
5315-01-311-1444INTERCHANGEABLE
PIN,STRAIGHT,HEADED
182032

Frequently Asked Questions

What is NSN 5331-00-551-9118?

NSN 5331-00-551-9118 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-551-9118?

NSN 5331-00-551-9118 has 6 cross-referenced part numbers: 2H-3088 (Navantia Sa Sme. Div Navantia Hq), 2H3088 (Caterpillar Inc Div Caterpillar Defense), 2H3088 (Reliance Comm/tec Corp Lorain Products Div), 2H-3088 (Navantia - Propulsion Y Energia Motores - Cartagena), 2-329N643-60 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division) and 1 more.

What NSN replaces 5331-00-551-9118?

There are 5 known substitutes for 5331-00-551-9118: 5331-00-194-3710, 6685-00-515-4595, 4720-00-913-1643 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-329N643-60?

Key specifications for 2-329N643-60: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Center Hole Diameter: 1.965 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-551-9118 still in active supply?

NSN 5331-00-551-9118 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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