NSN 4820-00-121-6870

Part Details | STOP-CHECK VALVE

4820-00-121-6870 A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.

Alternate Parts: B31643D, C5221B2, C522-1-B2, B5221B1, B522-1-B1, B31643DL1, 580714L1, 5807-14L1, C5221B2L1, C522-1-B2L1, B5221B1L1, B522-1-B1L1, S80714, S807-14, S80714, S807-14, 4820-00-121-6870, 00-121-6870, 4820001216870, 001216870

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 01, 196800-121-687005486 ( VALVE, STOP-CHECK )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

Cross Reference | NSN 4820-00-121-6870
Part Number Cage Code Manufacturer
B31643D63220FLOWSERVE INC
C522-1-B211859HUNT VALVE COMPANY, INC.DBA WAECO VALVE DIVISION
B522-1-B111859HUNT VALVE COMPANY, INC.DBA WAECO VALVE DIVISION
B31643DL103950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
5807-14L103950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
C522-1-B2L103950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
B522-1-B1L103950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
S807-1432373SFC VALVE CORP
S807-141GZ83SFC VALVE CORPORATION
Technical Data | NSN 4820-00-121-6870
Characteristic Specifications
STYLE DESIGNATOR STRAIGHT THRU
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD MANUAL
MOUNTING POSITIONR$DVT
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD BOLTED
FEATURES PROVIDED VALVE STEM LOCK SHIELD AND BONNET PACKING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATIONZZZY