PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-0265O-Ring

Uop Inc Fluid Systems Div · NSN 5331-01-488-7779 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-488-7779 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-488-7779. Primary manufacturer part number: 10-0265.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Uop Inc Fluid Systems Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-488-7779, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Uop Inc Fluid Systems Div. 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.

Technical Specifications
ParameterValue
NSN5331-01-488-7779
Primary Part Number10-0265
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerUop Inc Fluid Systems Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-01-234-9434100-265 INTERCHANGEABLE
Packing,preformed
Sheffer Corp
5340-01-331-3782A027100265S INTERCHANGEABLE
Cover,access
Prestolite Electric Inc
6850-01-719-2770 INTERCHANGEABLE
Promoter,chemical Adhesion
Cross-Reference Index
Part NumberManufacturer
10-0265 PRIMARY Uop Inc Fluid Systems Div (USA)
Related Parts
5330-01-234-9434INTERCHANGEABLE
PACKING,PREFORMED
100-265
5340-01-331-3782INTERCHANGEABLE
COVER,ACCESS
A027100265S
6850-01-719-2770INTERCHANGEABLE
PROMOTER,CHEMICAL ADHESION

Frequently Asked Questions

What is NSN 5331-01-488-7779?

NSN 5331-01-488-7779 is a O-Ring, manufactured by Uop Inc Fluid Systems Div, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-488-7779?

NSN 5331-01-488-7779 has 1 cross-referenced part number: 10-0265 (Uop Inc Fluid Systems Div).

What NSN replaces 5331-01-488-7779?

There are 3 known substitutes for 5331-01-488-7779: 5330-01-234-9434, 5340-01-331-3782, 6850-01-719-2770. Verify interchangeability with system specifications before substitution.

What are the specifications of 10-0265?

Key specifications for 10-0265: Part Name Assigned by Controlling Agency: BRINE SEAL. 1 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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