The O-Ring, cataloged under National Stock Number 5331-00-185-0366, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Grimes Aerospace Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 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 | 5331-00-185-0366 |
| Primary Part Number | X25C85 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Grimes Aerospace Company |
| Status | CANCELLED |
| Center Hole Diameter | 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Temp Rating | -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF |
| Hardness Rating | 50.0 SHORE DUROMETER A NOMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| X25C85 PRIMARY | Grimes Aerospace Company (USA) |
| B-4TH1166 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| 904-11506 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 3-4S613-6 | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| 3-904 S613-6 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AS568-904 | Society of Automotive Engineers Inc (USA) |
| AMS3303 | Sae International Dba Sae International (USA) |
| AS568-904 | Sae International Dba Sae International (USA) |
| AMS3303 | Society of Automotive Engineers Inc (USA) |
| 25C85-22 PRIMARY | Grimes Aerospace Company (USA) |
| 3-904 S613-60 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AS568-904AMS3303 | Society of Automotive Engineers Inc (USA) |
| 3-4S613-6 | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| PRP904-11506 | Parker Hannifin Corporation Div O-Ring Division (USA) |
NSN 5331-00-185-0366 is a O-Ring, manufactured by Grimes Aerospace Company, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-185-0366 has 14 cross-referenced part numbers: X25C85 (Grimes Aerospace Company), B-4TH1166 (Stillman Seal Corporation Div Stillman Seal Corperation), 904-11506 (Parker Hannifin Corporation Div O-Ring Division), 3-4S613-6 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 3-904 S613-6 (Parker-Hannifin Corp Div O-Ring Division) and 9 more.
There are 12 known substitutes for 5331-00-185-0366: 5331-00-047-3862, 5331-00-065-0234, 5331-00-072-8353 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for X25C85: Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q; Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-185-0366 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.