PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P-270O-Ring

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5331-01-298-8058 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-298-8058 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-298-8058. Primary manufacturer part number: P-270.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-298-8058, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. This item has 2 commercial cross-references 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)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)
Technical Specifications
ParameterValue
NSN5331-01-298-8058
Primary Part NumberP-270
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2940-00-198-62502129067 INTERCHANGEABLE
Filter Element,fluid
Chrysler Realty Company Llc Dba Daimler Chrysler
4320-00-270-6144 INTERCHANGEABLE
Pump,airlift
5930-00-548-6781P270 INTERCHANGEABLE
Detent,switch
Electro Switch Corp Div Electroswitch
2805-00-864-39471061P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
5935-01-148-0995P270 INTERCHANGEABLE
Connector
Giga-Tronics Incorporated Dba Giga-Tronics
Cross-Reference Index
Part NumberManufacturer
999F0444 PIECE 42 Circor Naval Solutions Llc Dba Warren Pumps (USA)
P-270 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
2940-00-198-6250INTERCHANGEABLE
FILTER ELEMENT,FLUID
2129067
4320-00-270-6144INTERCHANGEABLE
PUMP,AIRLIFT
5930-00-548-6781INTERCHANGEABLE
DETENT,SWITCH
P270
2805-00-864-3947INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
1061P
5935-01-148-0995INTERCHANGEABLE
CONNECTOR
P270

Frequently Asked Questions

What is NSN 5331-01-298-8058?

NSN 5331-01-298-8058 is a O-Ring, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-298-8058?

NSN 5331-01-298-8058 has 2 cross-referenced part numbers: 999F0444 PIECE 42 (Circor Naval Solutions Llc Dba Warren Pumps), P-270 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 5331-01-298-8058?

There are 5 known substitutes for 5331-01-298-8058: 2940-00-198-6250, 4320-00-270-6144, 5930-00-548-6781 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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