PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

109951O-Ring

Hamilton Jet, Inc. · NSN 5331-01-650-7723 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-650-7723 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-650-7723. Primary manufacturer part number: 109951.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 400.0 MILLIMETERS NOMINAL MM
  • Cross-Sectional Height: 1.78 MILLIMETERS NOMINAL MM
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER BUTADIENE NITRILE
  • 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 5331-01-650-7723, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-650-7723
Primary Part Number109951
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHamilton Jet, Inc.
StatusACTIVE
Center Hole Diameter400.0 MILLIMETERS NOMINAL MM
Cross-Sectional Height1.78 MILLIMETERS NOMINAL MM
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER BUTADIENE NITRILE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1670-00-714-0306 INTERCHANGEABLE
Canopy,parachute,aircraft Decele
5995-01-110-5438 INTERCHANGEABLE
Cable Assembly,radio Frequency
Cross-Reference Index
Part NumberManufacturer
109951 PRIMARY Hamilton Jet, Inc. (USA)
Related Parts
1670-00-714-0306INTERCHANGEABLE
CANOPY,PARACHUTE,AIRCRAFT DECELE
5995-01-110-5438INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5331-01-650-7723?

NSN 5331-01-650-7723 is a O-Ring, manufactured by Hamilton Jet, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-650-7723?

NSN 5331-01-650-7723 has 1 cross-referenced part number: 109951 (Hamilton Jet, Inc.).

What NSN replaces 5331-01-650-7723?

There are 2 known substitutes for 5331-01-650-7723: 1670-00-714-0306, 5995-01-110-5438. Verify interchangeability with system specifications before substitution.

What are the specifications of 109951?

Key specifications for 109951: Center Hole Diameter: 400.0 MILLIMETERS NOMINAL MM; Cross-Sectional Height: 1.78 MILLIMETERS NOMINAL MM; Special Features: 1270MM CUT LENGTH MM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 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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