The O-Ring, cataloged under National Stock Number 5331-00-684-3420, 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 50 commercial cross-references from 34 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-684-3420 |
| Primary Part Number | MS28775-013 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 0.555 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-013 | Tecno Trade S.r.l. (ITA) |
| 19485 | Triumph Engine Control Systems Llc (USA) |
| 16606A79-89 | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| 1446-13 | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| 547309 | Thales Training Et Simulation SAS (FRA) |
| PRP013C0MP7377 | Trelleborg Sealing Solutions Germany Gmbh (DEU) |
| ASC1314762 | Asc Pty Ltd (AUS) |
| W4072164AL | Rheinmetall Italia Spa (ITA) |
| 2-013 N304-75 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| AS28775-013 | Society of Automotive Engineers Inc (USA) |
| 4067-70-013 | Parco, Llc (USA) |
| MS-28775-013 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 3A3505 PC 23 | Flodyne Controls Inc (USA) |
| 876539-00 | Defense Reduction Agency (USA) |
| 2314-0137 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| N304-75-13 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-013N304-7 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 122520126 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| MS28775-013 PRIMARY | Sae International Dba Sae International (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
NSN 5331-00-684-3420 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-684-3420 has 50 cross-referenced part numbers: MS28775-013 (Tecno Trade S.r.l.), 19485 (Triumph Engine Control Systems Llc), 16606A79-89 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 1446-13 (Parker-Hannifin Corporation Div O-Ring Division), 547309 (Thales Training Et Simulation SAS) and 45 more.
There are 12 known substitutes for 5331-00-684-3420: 5305-00-010-1013, 1680-00-083-4033, 4730-00-196-2058 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-013: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV); Outside Diameter: 0.555 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN; Center Hole Diameter: 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-684-3420 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.