NSN 4820-01-421-2774

Part Details | FLUID VALVE STEM

4820-01-421-2774 An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes STEM, FAUCET; and STEM, NEEDLE VALVE.

Alternate Parts: 256172 PC 2, 256172 PC 2L1, 4820-01-421-2774, 01-421-2774, 4820014212774, 014212774

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 04, 199501-421-277432528 ( STEM, FLUID VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-421-2774
Part Number Cage Code Manufacturer
256172 PC 243689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
256172 PC 2L103950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
Technical Data | NSN 4820-01-421-2774
Characteristic Specifications
MATERIAL NICKEL ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNED BALL
VALVE SIZE FOR WHICH DESIGNED1.500 INCHES
OVERALL LENGTH6.500 INCHES NOMINAL
STEM ACTUATING END TYPE SQUARE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATIONZZZY