PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4564226FGO-Ring

Hydrasearch Company, Llc · NSN 5331-01-273-1649 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-273-1649 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-273-1649. Primary manufacturer part number: 4564226FG.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.974 INCHES MINIMUM AND 1.994 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 2 verified cross-references
  • Primary manufacturer: Hydrasearch Company, Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-273-1649, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hydrasearch Company, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5331-01-273-1649
Primary Part Number4564226FG
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHydrasearch Company, Llc
StatusACTIVE
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter1.974 INCHES MINIMUM AND 1.994 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-576-97322615-226 INTERCHANGEABLE
O-Ring
Fluid Conditioning Products, Inc.
5331-01-096-8817 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
4564226FG PRIMARY Hydrasearch Company, Llc (USA)
003226EB Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
Related Parts
5331-00-576-9732INTERCHANGEABLE
O-RING
2615-226
5331-01-096-8817INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-273-1649?

NSN 5331-01-273-1649 is a O-Ring, manufactured by Hydrasearch Company, Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-273-1649?

NSN 5331-01-273-1649 has 2 cross-referenced part numbers: 4564226FG (Hydrasearch Company, Llc), 003226EB (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging).

What NSN replaces 5331-01-273-1649?

There are 2 known substitutes for 5331-01-273-1649: 5331-00-576-9732, 5331-01-096-8817. Verify interchangeability with system specifications before substitution.

What are the specifications of 4564226FG?

Key specifications for 4564226FG: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.974 INCHES MINIMUM AND 1.994 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 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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