NSN 3040-01-253-8834

Part Details | VALVE SEAT

3040-01-253-8834 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: 2632903X6PC19(0.50IN), 2632-903X6PC19(0.50IN), 2620902PC4(0.50IN), 2620-902PC4(0.50IN), 8455445177, 845-5445177, 8452445177 PC 19, 845-2445177 PC 19, 3040-01-253-8834, 01-253-8834, 3040012538834, 012538834

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30APR 26, 198701-253-883422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 3040-01-253-8834
Part Number Cage Code Manufacturer
2632-903X6PC19(0.50IN)96169ELECTRIC BOAT CORPORATION
2620-902PC4(0.50IN)96169ELECTRIC BOAT CORPORATION
845-544517780064NAVAL SHIP SYSTEMS COMMAND
845-2445177 PC 1980064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3040-01-253-8834
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER0.932 INCHES MINIMUM AND 0.942 INCHES MAXIMUM
BODY INSIDE DIAMETER0.471 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.122 INCHES NOMINAL
UNDER FLANGE HEIGHT0.311 INCHES MINIMUM AND 0.321 INCHES MAXIMUM
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG15.000 NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY