PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

622737O-Ring

Hutchinson Seal Corporation · NSN 5331-01-394-4508 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-394-4508 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-394-4508. Primary manufacturer part number: 622737.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.580 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Hutchinson Seal Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-394-4508, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hutchinson Seal Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-394-4508
Primary Part Number622737
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHutchinson Seal Corporation
StatusACTIVE
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Center Hole Diameter2.580 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-00-516-8151622737 INTERCHANGEABLE
Spacer,sleeve
Hydro-Aire Aerospace Corp
5331-00-582-7084203907 INTERCHANGEABLE
O-Ring
Wiggins Lift Co Inc
Cross-Reference Index
Part NumberManufacturer
622737 Hutchinson Seal Corporation (USA)
Related Parts
5365-00-516-8151INTERCHANGEABLE
SPACER,SLEEVE
622737
5331-00-582-7084INTERCHANGEABLE
O-RING
203907

Frequently Asked Questions

What is NSN 5331-01-394-4508?

NSN 5331-01-394-4508 is a O-Ring, manufactured by Hutchinson Seal Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-394-4508?

NSN 5331-01-394-4508 has 1 cross-referenced part number: 622737 (Hutchinson Seal Corporation).

What NSN replaces 5331-01-394-4508?

There are 2 known substitutes for 5331-01-394-4508: 5365-00-516-8151, 5331-00-582-7084. Verify interchangeability with system specifications before substitution.

What are the specifications of 622737?

Key specifications for 622737: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Center Hole Diameter: 2.580 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN. 2 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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