PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-330O-Ring

Sae International Dba Sae International · NSN 5331-00-579-1070 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-579-1070 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-579-1070. Primary manufacturer part number: MS28775-330.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN
  • Outside Diameter: 2.492 INCHES MINIMUM AND 2.548 INCHES MAXIMUM IN
  • 33 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 5331-00-579-1070, 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 33 commercial cross-references from 26 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-579-1070
Primary Part NumberMS28775-330
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
Center Hole Diameter2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN
Outside Diameter2.492 INCHES MINIMUM AND 2.548 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5815-00-602-2772SM-C-426576 INTERCHANGEABLE
Bar,t,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5331-01-160-4346M83461/1-330 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-01-400-2034 INTERCHANGEABLE
Valve,ball
5331-01-548-4364 INTERCHANGEABLE
O-Ring
5305-01-651-719462233 INTERCHANGEABLE
Screw,cap,hexagon Head
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
2-330 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
54A125-330 Naval Sea Systems Command (USA)
AS568-330MIL-P-25732 Society of Automotive Engineers Inc (USA)
2-330 N304-75 Parker-Hannifin Corp Div O-Ring Division (USA)
7377-330 Parker Hannifin Corporation Div O-Ring Division (USA)
13207E6760FN38 Cecom Lr Center (USA)
MS28775-330 PRIMARY Sae International Dba Sae International (USA)
SR 832-75-330 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
P48026-330 Acushnet Rubber Company, Inc. Dba Precix (USA)
MS28775-330 Le Joint Francais (FRA)
MS28775-330 Society of Automotive Engineers Inc (USA)
1446-330 Parker-Hannifin Corporation Div O-Ring Division (USA)
19-000-0576 Nato Stock Number Potential Interchangeability Link
330-7377 Parker Hannifin Corporation Div O-Ring Division (USA)
9452K49 Mcmaster-Carr Supply Co (USA)
1403088000 PRIMARY Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA)
447-5392 Nimikkeistokeskus Ncb Finland (FIN)
MS28784-330 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
622-33 Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA)
MIL-P-25732 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5815-00-602-2772INTERCHANGEABLE
BAR,T,TELETYPEWRITER
SM-C-426576
5331-01-160-4346INTERCHANGEABLE
O-RING
M83461/1-330
4820-01-400-2034INTERCHANGEABLE
VALVE,BALL
5331-01-548-4364INTERCHANGEABLE
O-RING
5305-01-651-7194INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
62233

Frequently Asked Questions

What is NSN 5331-00-579-1070?

NSN 5331-00-579-1070 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 5331-00-579-1070?

NSN 5331-00-579-1070 has 33 cross-referenced part numbers: 2-330 N304-75 (Parker Hannifin Gmbh O-Ring Division), 54A125-330 (Naval Sea Systems Command), AS568-330MIL-P-25732 (Society of Automotive Engineers Inc), 2-330 N304-75 (Parker-Hannifin Corp Div O-Ring Division), 7377-330 (Parker Hannifin Corporation Div O-Ring Division) and 28 more.

What NSN replaces 5331-00-579-1070?

There are 5 known substitutes for 5331-00-579-1070: 5815-00-602-2772, 5331-01-160-4346, 4820-01-400-2034 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-330?

Key specifications for MS28775-330: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN; Outside Diameter: 2.492 INCHES MINIMUM AND 2.548 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-579-1070 still in active supply?

NSN 5331-00-579-1070 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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