The O-Ring, cataloged under National Stock Number 5331-00-579-3165, 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 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-579-3165 |
| Primary Part Number | MS28775-344 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.835 INCHES MINIMUM AND 3.865 INCHES MAXIMUM IN |
| Outside Diameter | 4.232 INCHES MINIMUM AND 4.308 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6227-47 | Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA) |
| 5331PL1740042 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS28775-344 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| PRP568-344-4067-70 | Parco, Llc (USA) |
| 2-344 N304-75 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| MS28775-344 PRIMARY | Sae International Dba Sae International (USA) |
| MS28775-344 | Society of Automotive Engineers Inc (USA) |
| MS28775-344 | Head Italia Spa (ITA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| 2-344 N304-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-00-579-3165 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-579-3165 has 10 cross-referenced part numbers: 6227-47 (Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo), 5331PL1740042 (Jednolity Indeks Materialowy - Uniform Material Index), MS28775-344 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), PRP568-344-4067-70 (Parco, Llc), 2-344 N304-75 (Parker Hannifin Gmbh O-Ring Division) and 5 more.
There are 3 known substitutes for 5331-00-579-3165: 5330-00-231-4114, 5331-00-514-6115, 5331-01-160-4326. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-344: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Center Hole Diameter: 3.835 INCHES MINIMUM AND 3.865 INCHES MAXIMUM IN; Outside Diameter: 4.232 INCHES MINIMUM AND 4.308 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 total characteristics are documented in the Federal Logistics Information System.