PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-332O-Ring

Sae International Dba Sae International · NSN 5331-00-641-1481 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-641-1481 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-641-1481. Primary manufacturer part number: MS28775-332.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Temp Rating: 275.0 FAHRENHEIT DEGF
  • Outside Diameter: 2.742 INCHES MINIMUM AND 2.798 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 2.332 INCHES MINIMUM AND 2.368 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
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 5331-00-641-1481, 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 25 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-641-1481
Primary Part NumberMS28775-332
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Temp Rating275.0 FAHRENHEIT DEGF
Outside Diameter2.742 INCHES MINIMUM AND 2.798 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter2.332 INCHES MINIMUM AND 2.368 INCHES MAXIMUM IN
Material Document and ClassificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-194-3715 INTERCHANGEABLE
Packing,preformed
5331-01-118-2080M83461/1-332 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
5330006411481 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
15332865 Bae Systems Marine Limited (GBR)
332-7377 Parker Hannifin Corporation Div O-Ring Division (USA)
AS568-332MIL-P-25732 Sae International Dba Sae International (USA)
MS28775-332 Society of Automotive Engineers Inc (USA)
1446-332 Parker-Hannifin Corporation Div O-Ring Division (USA)
2-332 PS1-30-5 Parker-Hannifin Corp Div O-Ring Division (USA)
2-332PSI-30-5 Parker-Hannifin Corp Div O-Ring Division (USA)
MILP25732 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2-332 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
MS28775-332 PRIMARY Sae International Dba Sae International (USA)
AS568-332MIL-P-25732 Society of Automotive Engineers Inc (USA)
SR 832-75-332 Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX)
SR 832-75-332 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
P48026-332 Acushnet Rubber Company, Inc. Dba Precix (USA)
MS28784-332 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
6227-35 Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA)
MS28775-332ES Eriks B.v. (NLD)
N304-75-332 Parker-Hannifin Corp Div O-Ring Division (USA)
MS28775-332 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5330-00-194-3715INTERCHANGEABLE
PACKING,PREFORMED
5331-01-118-2080INTERCHANGEABLE
O-RING
M83461/1-332

Frequently Asked Questions

What is NSN 5331-00-641-1481?

NSN 5331-00-641-1481 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-641-1481?

NSN 5331-00-641-1481 has 25 cross-referenced part numbers: 5330006411481 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 15332865 (Bae Systems Marine Limited), 332-7377 (Parker Hannifin Corporation Div O-Ring Division), AS568-332MIL-P-25732 (Sae International Dba Sae International), MS28775-332 (Society of Automotive Engineers Inc) and 20 more.

What NSN replaces 5331-00-641-1481?

There are 2 known substitutes for 5331-00-641-1481: 5330-00-194-3715, 5331-01-118-2080. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-332?

Key specifications for MS28775-332: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Temp Rating: 275.0 FAHRENHEIT DEGF; Outside Diameter: 2.742 INCHES MINIMUM AND 2.798 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-641-1481 still in active supply?

NSN 5331-00-641-1481 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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