PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

OD18335O-Ring

Everllence Usa Inc. · NSN 5331-01-395-3621 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-395-3621 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-395-3621. Primary manufacturer part number: OD18335.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Everllence Usa Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-395-3621, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Everllence Usa Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersEverllence Usa Inc. (CAGE 5P630)
Technical Specifications
ParameterValue
NSN5331-01-395-3621
Primary Part NumberOD18335
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerEverllence Usa Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-234-622717038 INTERCHANGEABLE
O-Ring
James Walker Mfg., Co.
Cross-Reference Index
Part NumberManufacturer
OD18335 PRIMARY Everllence Usa Inc. (USA)
Related Parts
5331-01-234-6227INTERCHANGEABLE
O-RING
17038

Frequently Asked Questions

What is NSN 5331-01-395-3621?

NSN 5331-01-395-3621 is a O-Ring, manufactured by Everllence Usa Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-395-3621?

NSN 5331-01-395-3621 has 1 cross-referenced part number: OD18335 (Everllence Usa Inc.).

What NSN replaces 5331-01-395-3621?

There is 1 known substitute for 5331-01-395-3621: 5331-01-234-6227. Verify interchangeability with system specifications before substitution.

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