PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-025O-Ring

Sae International Dba Sae International · NSN 5331-00-579-9833 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-579-9833 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-579-9833. Primary manufacturer part number: MS28775-025.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 1.170 INCHES MINIMUM AND 1.182 INCHES MAXIMUM IN
  • Outside Diameter: 1.299 INCHES MINIMUM AND 1.333 INCHES MAXIMUM IN
  • 50 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
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 5331-00-579-9833, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 32 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-579-9833
Primary Part NumberMS28775-025
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter1.170 INCHES MINIMUM AND 1.182 INCHES MAXIMUM IN
Outside Diameter1.299 INCHES MINIMUM AND 1.333 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5330-00-165-4539 INTERCHANGEABLE
Packing,preformed
5305-00-174-3897 INTERCHANGEABLE
Screw,machine
4710-00-436-30757573-20 INTERCHANGEABLE
Tube,demineralizer
King Engineering Corporation Dba King-Gage Systems
4810-00-522-4592144625 INTERCHANGEABLE
Valve,linear,directional Control
Meggitt North Hollywood Inc
5331-00-584-01503-5B480-7 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5999-00-848-13668438938 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5998-01-080-0303144625 INTERCHANGEABLE
Electronic Components Assembly
Lockheed Martin Corp Electronics and Missiles Div
5841-01-126-0056144625 INTERCHANGEABLE
Support,spark Gap
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
4400173-0250 Marotta Controls Inc (USA)
2-025 N304-75 Parker-Hannifin Corp Div O-Ring Division (USA)
N304-75-25 Parker-Hannifin Corp Div O-Ring Division (USA)
P48026-25 Acushnet Rubber Company, Inc. Dba Precix (USA)
AN507832-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
1376-05-233P Zf Industrieantriebe Witten Gmbh (DEU)
42322-25 Hydro-Aire Aerospace Corp (USA)
A180-025 Zf Industrieantriebe Witten Gmbh (DEU)
1557052-25 Zf Industrieantriebe Witten Gmbh (DEU)
5331PL0811431 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1446-25 Parker-Hannifin Corporation Div O-Ring Division (USA)
PL103206-5 FIND Raytheon Company Div Corp (USA)
N304-75-025 Parker-Hannifin Corp Div O-Ring Division (USA)
2-025 N304-75 Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
1376-05-233 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
SR 832-75-025 Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX)
SR 832-75-025 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
SR 832-75-25 Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX)
AN6227-25 Aeronautical Standards Group Dept of Navy and Air Force (USA)
999D0718 PC 25 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5330-00-165-4539INTERCHANGEABLE
PACKING,PREFORMED
5305-00-174-3897INTERCHANGEABLE
SCREW,MACHINE
4710-00-436-3075INTERCHANGEABLE
TUBE,DEMINERALIZER
7573-20
4810-00-522-4592INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
144625
5331-00-584-0150INTERCHANGEABLE
O-RING
3-5B480-7
5999-00-848-1366INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
8438938
5998-01-080-0303INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
144625
5841-01-126-0056INTERCHANGEABLE
SUPPORT,SPARK GAP
144625

Frequently Asked Questions

What is NSN 5331-00-579-9833?

NSN 5331-00-579-9833 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 5331-00-579-9833?

NSN 5331-00-579-9833 has 50 cross-referenced part numbers: 4400173-0250 (Marotta Controls Inc), 2-025 N304-75 (Parker-Hannifin Corp Div O-Ring Division), N304-75-25 (Parker-Hannifin Corp Div O-Ring Division), P48026-25 (Acushnet Rubber Company, Inc. Dba Precix), AN507832-4 (Aeronautical Standards Group Dept of Navy and Air Force) and 45 more.

What NSN replaces 5331-00-579-9833?

There are 8 known substitutes for 5331-00-579-9833: 5330-00-165-4539, 5305-00-174-3897, 4710-00-436-3075 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-025?

Key specifications for MS28775-025: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV); Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 1.170 INCHES MINIMUM AND 1.182 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-579-9833 still in active supply?

NSN 5331-00-579-9833 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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