4820-01-399-7919 CAP,VALVE Index 4820-01-399-7921 VALVE,CHECK

National Stock Number:
4820-01-399-7920

Federal Supply Class:
4820

National Item Identification Number:
013997920

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
21103043073711ENGINEERING LABORATORIES INC
211030430L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
PLC-11207 ASSEMBLY TYPE 3L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
PLC-11207 ASSEMBLY TYPE 399565ADMIRAL VALVE LLC


Techincal Specification:
CONNECTION STYLESOCKET (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CRITICALITY CODE JUSTIFICATIONZZZY
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY2 TAILPIECE
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALNICKEL ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
VALVE OPERATION METHODMANUAL


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