NSN 4820-01-143-1574

Part Details | VALVE SEAT

4820-01-143-1574 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.

Alternate Parts: 2003540 PIECE 4QA, 20-03540 PIECE 4QA, 2002909QA, 20-02909QA, 2003540 PIECE 4, 20-03540 PIECE 4, 2002909, 20-02909, 4820-01-143-1574, 01-143-1574, 4820011431574, 011431574

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 28, 198201-143-157422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-143-1574
Part Number Cage Code Manufacturer
20-03540 PIECE 4QA03950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
20-02909QA03950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
20-03540 PIECE 403670TYCO FIRE PRODUCTS LPDBA TYCO FIRE PROTECTION PRODUCTS
20-0290903670TYCO FIRE PRODUCTS LPDBA TYCO FIRE PROTECTION PRODUCTS
Technical Data | NSN 4820-01-143-1574
Characteristic Specifications
SEATING SURFACE SHAPE RADIAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY ASSURANCE TESTED FOR THE SUBMARINE SAFETY PROGRAM