PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M18-8O-Ring

Communication Systems Div North American Philips Corp · NSN 5331-01-365-0215 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-365-0215 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-365-0215. Primary manufacturer part number: M18-8.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Communication Systems Div North American Philips Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-365-0215, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Communication Systems Div North American Philips Corp. This item has 3 commercial cross-references from 3 manufacturers, 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)
ManufacturersCommunication Systems Div North American Philips Corp (CAGE 52361); Pma Prozess- Und Maschinen-Automation Gmbh (CAGE D2332); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN5331-01-365-0215
Primary Part NumberM18-8
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCommunication Systems Div North American Philips Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1325-00-028-5467 INTERCHANGEABLE
Fuze,bomb
5945-00-051-6681M188 INTERCHANGEABLE
Relay,electromagnetic
Tce Canada Ltd
3110-00-156-5328 INTERCHANGEABLE
Bearing,ball,annular
4320-01-552-0821 INTERCHANGEABLE
Motor-Pump Subassembly,hydraulic
7720-01-600-0585M188 INTERCHANGEABLE
Mallets,xylophone
Vic Firth,inc.
Cross-Reference Index
Part NumberManufacturer
M18-8 Communication Systems Div North American Philips Corp (USA)
M18-8 Pma Prozess- Und Maschinen-Automation Gmbh (DEU)
4597556 FIND 50 Naval Ship Systems Command (USA)
Related Parts
1325-00-028-5467INTERCHANGEABLE
FUZE,BOMB
5945-00-051-6681INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
M188
3110-00-156-5328INTERCHANGEABLE
BEARING,BALL,ANNULAR
4320-01-552-0821INTERCHANGEABLE
MOTOR-PUMP SUBASSEMBLY,HYDRAULIC
7720-01-600-0585INTERCHANGEABLE
MALLETS,XYLOPHONE
M188

Frequently Asked Questions

What is NSN 5331-01-365-0215?

NSN 5331-01-365-0215 is a O-Ring, manufactured by Communication Systems Div North American Philips Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-365-0215?

NSN 5331-01-365-0215 has 3 cross-referenced part numbers: M18-8 (Communication Systems Div North American Philips Corp), M18-8 (Pma Prozess- Und Maschinen-Automation Gmbh), 4597556 FIND 50 (Naval Ship Systems Command).

What NSN replaces 5331-01-365-0215?

There are 5 known substitutes for 5331-01-365-0215: 1325-00-028-5467, 5945-00-051-6681, 3110-00-156-5328 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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