PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50170O-Ring

Sabre Engines Ltd · NSN 5331-01-121-5365 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-121-5365 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-121-5365. Primary manufacturer part number: 50170.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Sabre Engines Ltd
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-121-5365, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sabre Engines Ltd. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersGrove R B Inc (CAGE 0GEN7); Sabre Engines Ltd (CAGE U2340); Classic Restoration and Sales (CAGE 0HPN5)
Technical Specifications
ParameterValue
NSN5331-01-121-5365
Primary Part Number50170
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSabre Engines Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6240-00-155-7947301 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5945-00-518-703250170 INTERCHANGEABLE
Solenoid,electrical
Woodward Hrt Inc
3030-00-528-3763 INTERCHANGEABLE
Belt,v
1005-00-831-137850170 INTERCHANGEABLE
Pin,ejector
Colt's Manufacturing Company, Llc
5133-01-117-4682DW5716 INTERCHANGEABLE
Drill,masonry,power Hammer
Dewalt Industrial Tool Co
4820-01-200-283350170 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5340-01-328-091450170 INTERCHANGEABLE
Caster,swivel
Upright Inc
6210-01-422-34441033523 INTERCHANGEABLE
Light,panel
Tld Ace Corp Div Tld Ace
4130-01-459-0559WH-215-4-A000 INTERCHANGEABLE
Haps Air Vacuum
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
50170 Grove R B Inc (USA)
50170 PRIMARY Sabre Engines Ltd (GBR)
50170 Classic Restoration and Sales (USA)
Related Parts
6240-00-155-7947INTERCHANGEABLE
LAMP,INCANDESCENT
301
5945-00-518-7032INTERCHANGEABLE
SOLENOID,ELECTRICAL
50170
3030-00-528-3763INTERCHANGEABLE
BELT,V
1005-00-831-1378INTERCHANGEABLE
PIN,EJECTOR
50170
5133-01-117-4682INTERCHANGEABLE
DRILL,MASONRY,POWER HAMMER
DW5716
4820-01-200-2833INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
50170
5340-01-328-0914INTERCHANGEABLE
CASTER,SWIVEL
50170
6210-01-422-3444INTERCHANGEABLE
LIGHT,PANEL
1033523
4130-01-459-0559INTERCHANGEABLE
HAPS AIR VACUUM
WH-215-4-A000

Frequently Asked Questions

What is NSN 5331-01-121-5365?

NSN 5331-01-121-5365 is a O-Ring, manufactured by Sabre Engines Ltd, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-121-5365?

NSN 5331-01-121-5365 has 3 cross-referenced part numbers: 50170 (Grove R B Inc), 50170 (Sabre Engines Ltd), 50170 (Classic Restoration and Sales).

What NSN replaces 5331-01-121-5365?

There are 9 known substitutes for 5331-01-121-5365: 6240-00-155-7947, 5945-00-518-7032, 3030-00-528-3763 and 6 more. Verify interchangeability with system specifications before substitution.

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