PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-009O-Ring

Sae International Dba Sae International · NSN 5331-01-204-4223 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-204-4223 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-204-4223. Primary manufacturer part number: MS28775-009.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
  • Temp Rating: 275.0 FAHRENHEIT DEGF
  • Outside Diameter: 0.348 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Elongation Percentage: 160 MAXIMUM
  • Criticality Code Justification: MATT
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 5331-01-204-4223, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-204-4223
Primary Part NumberMS28775-009
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
Temp Rating275.0 FAHRENHEIT DEGF
Outside Diameter0.348 INCHES NOMINAL IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Elongation Percentage160 MAXIMUM
Criticality Code JustificationMATT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-542-1365179289 INTERCHANGEABLE
O-Ring
Eaton Aerospace, Llc Dba Jackson South
5961-01-023-3449 INTERCHANGEABLE
Semiconductor Device,diode
5331-01-072-9195 INTERCHANGEABLE
O-Ring
5330-01-195-6613 INTERCHANGEABLE
Packing,preformed
5330-01-226-8321 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
LL-HX3-0153 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
AS28775 Society of Automotive Engineers Inc (USA)
MS28775-009 PRIMARY Sae International Dba Sae International (USA)
MS28775-009 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
SAE-AS28775 Sae International Dba Sae International (USA)
AS28775 Sae International Dba Sae International (USA)
5331PL0809251 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS28775-009 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-542-1365INTERCHANGEABLE
O-RING
179289
5961-01-023-3449INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5331-01-072-9195INTERCHANGEABLE
O-RING
5330-01-195-6613INTERCHANGEABLE
PACKING,PREFORMED
5330-01-226-8321INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-01-204-4223?

NSN 5331-01-204-4223 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-204-4223?

NSN 5331-01-204-4223 has 8 cross-referenced part numbers: LL-HX3-0153 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), AS28775 (Society of Automotive Engineers Inc), MS28775-009 (Sae International Dba Sae International), MS28775-009 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), SAE-AS28775 (Sae International Dba Sae International) and 3 more.

What NSN replaces 5331-01-204-4223?

There are 5 known substitutes for 5331-01-204-4223: 5331-00-542-1365, 5961-01-023-3449, 5331-01-072-9195 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-009?

Key specifications for MS28775-009: Part Name Assigned by Controlling Agency: PACKING,PREFORMED,HYDRAULIC; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN; Temp Rating: 275.0 FAHRENHEIT DEGF. 8 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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