The O-Ring, cataloged under National Stock Number 5331-01-363-8570, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-363-8570 |
| Primary Part Number | 12346C18C |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.500 INCHES NOMINAL IN |
| Center Hole Diameter | 3.560 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C-1065 | John Crane, Inc (USA) |
| 12346C18 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 12346C18C PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 1246C18A | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 12346C18A | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| C-1065 | Wartsila Lips Inc (USA) |
NSN 5331-01-363-8570 is a O-Ring, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-363-8570 has 6 cross-referenced part numbers: C-1065 (John Crane, Inc), 12346C18 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 12346C18C (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 1246C18A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 12346C18A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 1 more.
There are 5 known substitutes for 5331-01-363-8570: 5895-00-148-7027, 2530-00-454-5017, 5935-00-892-9446 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12346C18C: Cross-Sectional Height: 0.500 INCHES NOMINAL IN; Special Features: SET CONSISTS OF 5 EACH OF ABOVE DIMENSIONED RINGS; Center Hole Diameter: 3.560 INCHES NOMINAL IN; End Item Identification: NIMITZ CLASS CVN; ARLEIGH BURKE CLASS DDG; WHIDBEY ISLAND CLASS LSD; SEAWOLF CLASS SSN; SUBMARINE AUXILLARY AND MISCELLANEOUS SYSTEMS; WASP CLASS LHD; MINE COUNTERMEASURES SUPPORT (MCS) CLASS (LPH-12); FORRESTAL CLASS CV; TRIDENT AUXILIARY SYSTEMS; SUBMARINE SHIP CONTROL AND NAVIGATION SYSTEMS. 4 total characteristics are documented in the Federal Logistics Information System.