NSN 4820-00-987-7990

Part Details | VALVE DISK

4820-00-987-7990 An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

Alternate Parts: 2900136PC5, 2900-136PC5, 29001365, 2900-136-5, 4820-00-987-7990, 00-987-7990, 4820009877990, 009877990

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-987-799035224 ( DISK, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-987-7990
Part Number Cage Code Manufacturer
2900-136PC596169ELECTRIC BOAT CORPORATION
2900-136-596169ELECTRIC BOAT CORPORATION
Technical Data | NSN 4820-00-987-7990
Characteristic Specifications
MATERIAL COPPER ALLOY
STYLE DESIGNATOR8 PLAIN
OUTSIDE DIAMETER6.375 INCHES NOMINAL
OVERALL HEIGHT5.750 INCHES NOMINAL
SEAT ANGLE45.0 DEGREES NOMINAL
THREAD SERIES DESIGNATOR UN
NOMINAL THREAD SIZE2.500 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS2B