PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-325O-Ring

Sae International Dba Sae International · NSN 5331-00-580-3846 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-580-3846 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-580-3846. Primary manufacturer part number: MS28775-325.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Outside Diameter: 1.870 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • 24 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 5331-00-580-3846, 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 24 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-580-3846
Primary Part NumberMS28775-325
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Center Hole Diameter1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Outside Diameter1.870 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5331-00-542-18519886-333X5PC8 INTERCHANGEABLE
O-Ring
Electric Boat Corporation Div General Dynamics Electric Boat
5331-01-188-1694 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
29KP388 Oshkosh Defense Llc (USA)
N304-75-325 Parker-Hannifin Corp Div O-Ring Division (USA)
5330005803846 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
7-754-000144 Minnpar, Llc Dba Minnpar (USA)
SR 832-75-325 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
2-325 N304-75 Parker-Hannifin Corp Div O-Ring Division (USA)
MS28775-325 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
N0304 2-325 Parker-Hannifin Corp Div O-Ring Division (USA)
P18017A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28775-325 Society of Automotive Engineers Inc (USA)
7-754-000144 Grove U.s. Llc Dba Grove Us Llc (USA)
MILP25732 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28775-325 PRIMARY Sae International Dba Sae International (USA)
4067-70-325 Parco, Llc (USA)
29KP388 Oshkosh Corp (USA)
6227-28 Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA)
MS28775-325ES Eriks B.v. (NLD)
2-325 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
0568-325-4067-70 Parco, Llc (USA)
MS28775-325 Bae Systems Land & Armaments L.p. (USA)
Related Parts
5331-00-542-1851INTERCHANGEABLE
O-RING
9886-333X5PC8
5331-01-188-1694INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-580-3846?

NSN 5331-00-580-3846 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 5331-00-580-3846?

NSN 5331-00-580-3846 has 24 cross-referenced part numbers: 29KP388 (Oshkosh Defense Llc), N304-75-325 (Parker-Hannifin Corp Div O-Ring Division), 5330005803846 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 7-754-000144 (Minnpar, Llc Dba Minnpar), SR 832-75-325 (Stillman Seal Corporation Div Stillman Seal Corperation) and 19 more.

What NSN replaces 5331-00-580-3846?

There are 2 known substitutes for 5331-00-580-3846: 5331-00-542-1851, 5331-01-188-1694. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-325?

Key specifications for MS28775-325: Center Hole Diameter: 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 1.870 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-580-3846 still in active supply?

NSN 5331-00-580-3846 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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