PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

201000O-Ring

Hamilton Jet, Inc. · NSN 5331-01-650-7721 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-650-7721 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-650-7721. Primary manufacturer part number: 201000.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER BUTADIENE NITRILE
  • Center Hole Diameter: 1.549 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.103 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Jet, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene Nitrile construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-650-7721, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Jet, Inc.. Government technical data includes 4 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-650-7721
Primary Part Number201000
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHamilton Jet, Inc.
StatusACTIVE
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER BUTADIENE NITRILE
Center Hole Diameter1.549 INCHES NOMINAL IN
Cross-Sectional Height0.103 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-801-374920100-0 INTERCHANGEABLE
Switch,thermostatic
Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
2540-01-158-460214072497 INTERCHANGEABLE
Handle,window Regulator,vehicula
General Motors Llc Dba General Motors Llc
2590-01-450-6884 INTERCHANGEABLE
Cap,filler Opening
1240-01-484-7213ELITE 1500 INTERCHANGEABLE
Range Finder,laser
Bushnell Group, Inc Div Bushnell Holdings, Inc.
6675-01-565-26442010-00 INTERCHANGEABLE
Tribrach
Seco Manufacturing Co, Inc
5340-01-650-100420-1000 INTERCHANGEABLE
Cap,protective,dust and Moisture
Molded Devices, Inc. Dba Mdi Div Molded Devices
Cross-Reference Index
Part NumberManufacturer
201000 PRIMARY Hamilton Jet, Inc. (USA)
Related Parts
5930-00-801-3749INTERCHANGEABLE
SWITCH,THERMOSTATIC
20100-0
2540-01-158-4602INTERCHANGEABLE
HANDLE,WINDOW REGULATOR,VEHICULA
14072497
2590-01-450-6884INTERCHANGEABLE
CAP,FILLER OPENING
1240-01-484-7213INTERCHANGEABLE
RANGE FINDER,LASER
ELITE 1500
6675-01-565-2644INTERCHANGEABLE
TRIBRACH
2010-00
5340-01-650-1004INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
20-1000

Frequently Asked Questions

What is NSN 5331-01-650-7721?

NSN 5331-01-650-7721 is a O-Ring, manufactured by Hamilton Jet, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-650-7721?

NSN 5331-01-650-7721 has 1 cross-referenced part number: 201000 (Hamilton Jet, Inc.).

What NSN replaces 5331-01-650-7721?

There are 6 known substitutes for 5331-01-650-7721: 5930-00-801-3749, 2540-01-158-4602, 2590-01-450-6884 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 201000?

Key specifications for 201000: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material: RUBBER BUTADIENE NITRILE; Center Hole Diameter: 1.549 INCHES NOMINAL IN; End Item Identification: WATERJET, MARINE. 6 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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