PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28778C-8O-Ring

Sae International Dba Sae International · NSN 5331-00-057-4089 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-057-4089 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-057-4089. Primary manufacturer part number: MS28778C-8.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
  • Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
  • Elongation Percentage: 80 MAXIMUM
  • Center Hole Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 9 verified cross-references
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 5331-00-057-4089, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-057-4089
Primary Part NumberMS28778C-8
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
Temp Rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
Cross-Sectional Height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Elongation Percentage80 MAXIMUM
Center Hole Diameter0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-472-2930AS568-908MILP25732 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS28778C-8 Society of Automotive Engineers Inc (USA)
028-08035 Johnson Controls Navy Systems, Llc (USA)
MS-28778-8MILP5 510 Zf Industrieantriebe Witten Gmbh (DEU)
02808035000 Johnson Controls Navy Systems, Llc (USA)
SAE-AS28778 Sae International Dba Sae International (USA)
100-D-115 Zf Industrieantriebe Witten Gmbh (DEU)
02808035000 Johnson Controls Ltd, York Navy Systems (GBR)
ARP568-908MILP5 516B Zf Industrieantriebe Witten Gmbh (DEU)
MS28778C-8 PRIMARY Sae International Dba Sae International (USA)
Related Parts
5331-00-472-2930INTERCHANGEABLE
O-RING
AS568-908MILP25732

Frequently Asked Questions

What is NSN 5331-00-057-4089?

NSN 5331-00-057-4089 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 5331-00-057-4089?

NSN 5331-00-057-4089 has 9 cross-referenced part numbers: MS28778C-8 (Society of Automotive Engineers Inc), 028-08035 (Johnson Controls Navy Systems, Llc), MS-28778-8MILP5 510 (Zf Industrieantriebe Witten Gmbh), 02808035000 (Johnson Controls Navy Systems, Llc), SAE-AS28778 (Sae International Dba Sae International) and 4 more.

What NSN replaces 5331-00-057-4089?

There is 1 known substitute for 5331-00-057-4089: 5331-00-472-2930. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28778C-8?

Key specifications for MS28778C-8: Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Elongation Percentage: 80 MAXIMUM. 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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