PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50120O-Ring

Hutchinson Industries, Inc Div Defense and Industry · NSN 5331-01-608-5688 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-608-5688 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-608-5688. Primary manufacturer part number: 50120.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Hutchinson Industries, Inc Div Defense and Industry
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-608-5688, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hutchinson Industries, Inc Div Defense and Industry. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersHutchinson Industries, Inc Div Defense and Industry (CAGE 62161); Hutchinson Gmbh (CAGE D5512)
Technical Specifications
ParameterValue
NSN5331-01-608-5688
Primary Part Number50120
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHutchinson Industries, Inc Div Defense and Industry
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-143-753839590 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5365-00-275-6040481540PC4 INTERCHANGEABLE
Ring,externally Threaded
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5325-00-281-9129 INTERCHANGEABLE
Stud,turnlock Fastener
5360-00-314-724850-120 INTERCHANGEABLE
Spring,packing
Steward Machine Co Inc
5985-00-543-8895L220619-5 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Dba Raytheon Co
7050-00-978-8089 INTERCHANGEABLE
Card Stop Assembly
5815-00-981-0128 INTERCHANGEABLE
Plate-Set
6625-01-233-628150120 INTERCHANGEABLE
Annenuator
Wavetek Rf Products, Inc
6210-01-304-1569 INTERCHANGEABLE
Lens,light
5120-01-434-9750 INTERCHANGEABLE
Punch,center,automatic
Cross-Reference Index
Part NumberManufacturer
50120 PRIMARY Hutchinson Industries, Inc Div Defense and Industry (USA)
50120 Hutchinson Gmbh (DEU)
Related Parts
3110-00-143-7538INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
39590
5365-00-275-6040INTERCHANGEABLE
RING,EXTERNALLY THREADED
481540PC4
5325-00-281-9129INTERCHANGEABLE
STUD,TURNLOCK FASTENER
5360-00-314-7248INTERCHANGEABLE
SPRING,PACKING
50-120
5985-00-543-8895INTERCHANGEABLE
ATTENUATOR,FIXED
L220619-5
7050-00-978-8089INTERCHANGEABLE
CARD STOP ASSEMBLY
5815-00-981-0128INTERCHANGEABLE
PLATE-SET
6625-01-233-6281INTERCHANGEABLE
ANNENUATOR
50120
6210-01-304-1569INTERCHANGEABLE
LENS,LIGHT
5120-01-434-9750INTERCHANGEABLE
PUNCH,CENTER,AUTOMATIC
4130-01-459-0551INTERCHANGEABLE
AIR ROBO-VAC
50120
5307-01-691-0348INTERCHANGEABLE
STUD,CONTINUOUS THREAD
50120

Frequently Asked Questions

What is NSN 5331-01-608-5688?

NSN 5331-01-608-5688 is a O-Ring, manufactured by Hutchinson Industries, Inc Div Defense and Industry, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-608-5688?

NSN 5331-01-608-5688 has 2 cross-referenced part numbers: 50120 (Hutchinson Industries, Inc Div Defense and Industry), 50120 (Hutchinson Gmbh).

What NSN replaces 5331-01-608-5688?

There are 12 known substitutes for 5331-01-608-5688: 3110-00-143-7538, 5365-00-275-6040, 5325-00-281-9129 and 9 more. Verify interchangeability with system specifications before substitution.

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