PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ARP268-7377O-Ring

Parker Hannifin Corporation Div O-Ring Division · NSN 5331-00-843-4837 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-843-4837 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-843-4837. Primary manufacturer part number: ARP268-7377.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.123 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 4 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div O-Ring 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 5331-00-843-4837, 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 O-Ring Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-843-4837
Primary Part NumberARP268-7377
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker Hannifin Corporation Div O-Ring Division
StatusACTIVE
Cross-Sectional Height0.123 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-105-9151MS28775-208 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
N0304 2-268 Parker-Hannifin Corp Div O-Ring Division (USA)
ARP268N304-7 Parker-Hannifin Corp Div O-Ring Division (USA)
ARP268-7377 PRIMARY Parker Hannifin Corporation Div O-Ring Division (USA)
2-268 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
Related Parts
5331-01-105-9151INTERCHANGEABLE
O-RING
MS28775-208

Frequently Asked Questions

What is NSN 5331-00-843-4837?

NSN 5331-00-843-4837 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-843-4837?

NSN 5331-00-843-4837 has 4 cross-referenced part numbers: N0304 2-268 (Parker-Hannifin Corp Div O-Ring Division), ARP268N304-7 (Parker-Hannifin Corp Div O-Ring Division), ARP268-7377 (Parker Hannifin Corporation Div O-Ring Division), 2-268 N304-75 (Parker Hannifin Gmbh O-Ring Division).

What NSN replaces 5331-00-843-4837?

There is 1 known substitute for 5331-00-843-4837: 5331-01-105-9151. Verify interchangeability with system specifications before substitution.

What are the specifications of ARP268-7377?

Key specifications for ARP268-7377: Cross-Sectional Height: 0.123 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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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