PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51 1/2IN.IDX52 IN.ODX0.275IN.O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-01-271-9370 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-271-9370 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-271-9370. Primary manufacturer part number: 51 1/2IN.IDX52 IN.ODX0.275IN..
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corp Div O-Ring Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-271-9370, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersZf Industrieantriebe Witten Gmbh (CAGE D9182); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Bird-Johnson Propeller Company, Llc (CAGE 07309)
Technical Specifications
ParameterValue
NSN5331-01-271-9370
Primary Part Number51 1/2IN.IDX52 IN.ODX0.275IN.
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-236-149801034 INTERCHANGEABLE
Packing,preformed
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5133-00-266-9230 INTERCHANGEABLE
Drill,twist
2805-00-366-034701006 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
4710-01-060-295601034 INTERCHANGEABLE
Pipe,plastic
Harvel Plastics, Inc.
Cross-Reference Index
Part NumberManufacturer
51-1-2I.D.X520. D.X.275 Zf Industrieantriebe Witten Gmbh (DEU)
51 1/2IN.IDX52 IN.ODX0.275IN. PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
0-10-3-4 Bird-Johnson Propeller Company, Llc (USA)
Related Parts
5330-00-236-1498INTERCHANGEABLE
PACKING,PREFORMED
01034
5133-00-266-9230INTERCHANGEABLE
DRILL,TWIST
2805-00-366-0347INTERCHANGEABLE
GUIDE,VALVE STEM
01006
4710-01-060-2956INTERCHANGEABLE
PIPE,PLASTIC
01034

Frequently Asked Questions

What is NSN 5331-01-271-9370?

NSN 5331-01-271-9370 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-271-9370?

NSN 5331-01-271-9370 has 3 cross-referenced part numbers: 51-1-2I.D.X520. D.X.275 (Zf Industrieantriebe Witten Gmbh), 51 1/2IN.IDX52 IN.ODX0.275IN. (Parker-Hannifin Corp Div O-Ring Division), 0-10-3-4 (Bird-Johnson Propeller Company, Llc).

What NSN replaces 5331-01-271-9370?

There are 4 known substitutes for 5331-01-271-9370: 5330-00-236-1498, 5133-00-266-9230, 2805-00-366-0347 and 1 more. Verify interchangeability with system specifications before substitution.

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