PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401272O-Ring

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division · NSN 5331-01-424-4581 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-424-4581 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-424-4581. Primary manufacturer part number: 401272.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-424-4581, 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 Pump and Power Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division (CAGE 05448)
Technical Specifications
ParameterValue
NSN5331-01-424-4581
Primary Part Number401272
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-350-5643 INTERCHANGEABLE
Spring Helical Comp
5950-00-459-1434666755-2 INTERCHANGEABLE
Transformer,radio Frequency
Raytheon Company Dba Raytheon
5331-00-871-6848 INTERCHANGEABLE
O-Ring
6150-01-093-4991 INTERCHANGEABLE
Bus,conductor
5995-01-233-9210401272 INTERCHANGEABLE
Wiring Harness
Dictaphone Corporation
Cross-Reference Index
Part NumberManufacturer
401272 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division (USA)
Related Parts
5340-00-350-5643INTERCHANGEABLE
SPRING HELICAL COMP
5950-00-459-1434INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
666755-2
5331-00-871-6848INTERCHANGEABLE
O-RING
6150-01-093-4991INTERCHANGEABLE
BUS,CONDUCTOR
5995-01-233-9210INTERCHANGEABLE
WIRING HARNESS
401272

Frequently Asked Questions

What is NSN 5331-01-424-4581?

NSN 5331-01-424-4581 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-424-4581?

NSN 5331-01-424-4581 has 1 cross-referenced part number: 401272 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division).

What NSN replaces 5331-01-424-4581?

There are 5 known substitutes for 5331-01-424-4581: 5340-00-350-5643, 5950-00-459-1434, 5331-00-871-6848 and 2 more. Verify interchangeability with system specifications before substitution.

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