The O-Ring, cataloged under National Stock Number 5331-01-094-5959, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-094-5959 |
| Primary Part Number | MS28775-256 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Elongation Percentage | 160 MAXIMUM |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Temp Rating | -65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Outside Diameter | 6.012 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 5.711 INCHES MINIMUM AND 5.757 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-256 | Society of Automotive Engineers Inc (USA) |
| 7377-256 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| AS28775-256 | Society of Automotive Engineers Inc (USA) |
| 814546-34 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 551-7384730-F204 | Naval Sea Systems Command (USA) |
| G522-2511-F204 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| N304-75-256 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AS28775-256 | Sae International Dba Sae International (USA) |
| D3810 ASSY B IT | Naval Sea Systems Command Logistics Support Engineering Activity (USA) |
| 5331PL0896003 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS28775-256 PRIMARY | Sae International Dba Sae International (USA) |
| MS28775-256 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| PL-11230-F-18 I | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| D3810 ASSY B ITEM 21 4 IN | Naval Sea Systems Command Logistics Support Engineering Activity (USA) |
| 2-256 N304-75 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2640-050-PIECE | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 230079146 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| SR 832-75-256 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| 1446-256 | Parker-Hannifin Corporation Div O-Ring Division (USA) |
NSN 5331-01-094-5959 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-094-5959 has 27 cross-referenced part numbers: MS28775-256 (Society of Automotive Engineers Inc), 7377-256 (Parker Hannifin Corporation Div O-Ring Division), AS28775-256 (Society of Automotive Engineers Inc), 814546-34 (Zf Industrieantriebe Witten Gmbh), 551-7384730-F204 (Naval Sea Systems Command) and 22 more.
There are 4 known substitutes for 5331-01-094-5959: 5331-00-199-1644, 5331-01-006-2030, 5331-01-028-8981 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-256: Elongation Percentage: 160 MAXIMUM; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Temp Rating: -65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-094-5959 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.