The O-Ring, cataloged under National Stock Number 5331-00-171-7786, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 14 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 | 5331-00-171-7786 |
| Primary Part Number | 25C85-20 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Grimes Aerospace Company |
| Status | CANCELLED |
| Cross-Sectional Height | 0.062 INCHES NOMINAL IN |
| Center Hole Diameter | 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25C85-20 | Grimes Aerospace Company (USA) |
| 012-11306 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 376-111-0012 | Moog Inc. Dba Moog Components Group (USA) |
| S8057C7 | Proponent, Inc. Dba Proponent (USA) |
| 32-29911A84 | Motorola Inc. Dba Integrated Information Systems Group (USA) |
| PRP902-71109-60 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| S8057C7 | Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA) |
| AS3303 | Society of Automotive Engineers Inc (USA) |
| 32-29911A84 | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| AS561B-12 | Society of Automotive Engineers Inc (USA) |
| AS568-012 | Society of Automotive Engineers Inc (USA) |
| 78004238 | Bae Systems Bofors Ab (SWE) |
| 114525-147-59 | Grimes Aerospace Company (USA) |
| 2-012S613-6 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-012S613-60 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| M1538-828012 | Forsvarets Materielverk (SWE) |
| S8057C7 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 376-111-0012 | Moog Inc. (USA) |
| AS568-012 | Sae International Dba Sae International (USA) |
| AS3303 | Sae International Dba Sae International (USA) |
NSN 5331-00-171-7786 is a O-Ring, manufactured by Grimes Aerospace Company, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-171-7786 has 20 cross-referenced part numbers: 25C85-20 (Grimes Aerospace Company), 012-11306 (Parker Hannifin Corporation Div O-Ring Division), 376-111-0012 (Moog Inc. Dba Moog Components Group), S8057C7 (Proponent, Inc. Dba Proponent), 32-29911A84 (Motorola Inc. Dba Integrated Information Systems Group) and 15 more.
There are 12 known substitutes for 5331-00-171-7786: 5331-00-059-8690, 5331-00-579-6495, 5331-00-912-2643 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25C85-20: Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-171-7786 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.