PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1UO-Ring

Psg California, Llc Div Dover Corporation · NSN 5331-01-323-8854 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-323-8854 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-323-8854. Primary manufacturer part number: 1U.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Psg California, Llc Div Dover Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-323-8854, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Psg California, Llc Div Dover Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersPsg California, Llc Div Dover Corporation (CAGE 52837)
Technical Specifications
ParameterValue
NSN5331-01-323-8854
Primary Part Number1U
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerPsg California, Llc Div Dover Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-061-03861-1HBZB INTERCHANGEABLE
Nipple,tube
Parker-Hannifin Corporation Div Instrumentation Products Division
3110-00-144-84971H INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
4820-01-338-6427 INTERCHANGEABLE
Valve,ball
Cross-Reference Index
Part NumberManufacturer
1U Psg California, Llc Div Dover Corporation (USA)
Related Parts
4730-00-061-0386INTERCHANGEABLE
NIPPLE,TUBE
1-1HBZB
3110-00-144-8497INTERCHANGEABLE
BEARING,BALL,ANNULAR
1H
4820-01-338-6427INTERCHANGEABLE
VALVE,BALL

Frequently Asked Questions

What is NSN 5331-01-323-8854?

NSN 5331-01-323-8854 is a O-Ring, manufactured by Psg California, Llc Div Dover Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-323-8854?

NSN 5331-01-323-8854 has 1 cross-referenced part number: 1U (Psg California, Llc Div Dover Corporation).

What NSN replaces 5331-01-323-8854?

There are 3 known substitutes for 5331-01-323-8854: 4730-00-061-0386, 3110-00-144-8497, 4820-01-338-6427. Verify interchangeability with system specifications before substitution.

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