PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SAE-AS28775O-Ring

Sae International Dba Sae International · NSN 5331-00-418-2279 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-418-2279 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-418-2279. Primary manufacturer part number: SAE-AS28775.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 5.077 INCHES MINIMUM AND 5.123 INCHES MAXIMUM IN
  • Elongation Percentage: 160 MAXIMUM
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Peripheral Diameter: 5.650 INCHES NOMINAL IN
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM
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 5331-00-418-2279, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5331-00-418-2279
Primary Part NumberSAE-AS28775
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Center Hole Diameter5.077 INCHES MINIMUM AND 5.123 INCHES MAXIMUM IN
Elongation Percentage160 MAXIMUM
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Peripheral Diameter5.650 INCHES NOMINAL IN
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Hardness Rating65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM
Material Document and ClassificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-801-3002MS28775-430 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-00-815-1708 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
SAE-AS28775 Sae International Dba Sae International (USA)
N00271 Apv Gaulin Inc (USA)
MS28775-430 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7122F11PC6-2 Ametek Advanced Industries, Inc. (USA)
820-4446005-6-2 Naval Ship Systems Command (USA)
Related Parts
5331-00-801-3002INTERCHANGEABLE
O-RING
MS28775-430
5330-00-815-1708INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-00-418-2279?

NSN 5331-00-418-2279 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 5331-00-418-2279?

NSN 5331-00-418-2279 has 5 cross-referenced part numbers: SAE-AS28775 (Sae International Dba Sae International), N00271 (Apv Gaulin Inc), MS28775-430 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 7122F11PC6-2 (Ametek Advanced Industries, Inc.), 820-4446005-6-2 (Naval Ship Systems Command).

What NSN replaces 5331-00-418-2279?

There are 2 known substitutes for 5331-00-418-2279: 5331-00-801-3002, 5330-00-815-1708. Verify interchangeability with system specifications before substitution.

What are the specifications of SAE-AS28775?

Key specifications for SAE-AS28775: Center Hole Diameter: 5.077 INCHES MINIMUM AND 5.123 INCHES MAXIMUM IN; Elongation Percentage: 160 MAXIMUM; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 9 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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