PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-033O-Ring

Sae International Dba Sae International · NSN 5331-01-057-3133 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-057-3133 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-057-3133. Primary manufacturer part number: MS28775-033.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 2.105 INCHES MINIMUM AND 2.153 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.979 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 14 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 5331-01-057-3133, 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 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-057-3133
Primary Part NumberMS28775-033
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Outside Diameter2.105 INCHES MINIMUM AND 2.153 INCHES MAXIMUM IN
Center Hole Diameter1.979 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5331-00-814-2347845-00 INTERCHANGEABLE
O-Ring
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5331-01-197-2590 INTERCHANGEABLE
O-Ring
5330-01-241-1930 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
MS2778-033 Zf Industrieantriebe Witten Gmbh (DEU)
MS28775-033 Society of Automotive Engineers Inc (USA)
4400173-0330 Marotta Controls Inc (USA)
B8104543 PIECE Rollsroyce Canada Ltd (CAN)
MS28775-033 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS28775-033 PRIMARY Sae International Dba Sae International (USA)
J200A33 Marotta Controls Inc (USA)
10197438 Nimikkeistokeskus Ncb Finland (FIN)
5331PL0890480 Jednolity Indeks Materialowy - Uniform Material Index (POL)
SAE-AS28775 Sae International Dba Sae International (USA)
2-033 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
2-033 N304-75 Parker-Hannifin Corp Div O-Ring Division (USA)
PRP568-033-4067-70 Parco, Llc (USA)
P48026-033 Acushnet Rubber Company, Inc. Dba Precix (USA)
Related Parts
5331-00-814-2347INTERCHANGEABLE
O-RING
845-00
5331-01-197-2590INTERCHANGEABLE
O-RING
5330-01-241-1930INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-01-057-3133?

NSN 5331-01-057-3133 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 5331-01-057-3133?

NSN 5331-01-057-3133 has 14 cross-referenced part numbers: MS2778-033 (Zf Industrieantriebe Witten Gmbh), MS28775-033 (Society of Automotive Engineers Inc), 4400173-0330 (Marotta Controls Inc), B8104543 PIECE (Rollsroyce Canada Ltd), MS28775-033 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 9 more.

What NSN replaces 5331-01-057-3133?

There are 3 known substitutes for 5331-01-057-3133: 5331-00-814-2347, 5331-01-197-2590, 5330-01-241-1930. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-033?

Key specifications for MS28775-033: Outside Diameter: 2.105 INCHES MINIMUM AND 2.153 INCHES MAXIMUM IN; Center Hole Diameter: 1.979 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-057-3133 still in active supply?

NSN 5331-01-057-3133 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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