NSN 4820-00-203-9390
Part Details | POPPET DRAIN COCK
4820-00-203-9390 An item designed to drain fluids from fuel systems, tanks, filters, or similar items. It has a mounting end, a free flowing end, and a quick-acting nonmetallic sealed closure, usually spring loaded, that holds it in an "off" position. It requires no lubrication other than from the fluid being drained.
Alternate Parts: 740B3, 6339713, 633971-3, 4820-00-203-9390, 00-203-9390, 4820002039390, 002039390
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1963 | 00-203-9390 | 16989 ( COCK, POPPET DRAIN ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU

Cross Reference | NSN 4820-00-203-9390
Part Number | Cage Code | Manufacturer |
---|---|---|
740B3 | 91511 | AUTO-VALVE, INC. |
633971-3 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
Technical Data | NSN 4820-00-203-9390
Characteristic | Specifications |
---|---|
SURFACE TREATMENT | ANODIZE |
STYLE DESIGNATOR | 6 STRAIGHT THRU |
FLOW CONTROL DEVICE | POPPET |
VALVE OPERATION METHOD | MANUAL |