1660-00-789-9161 PISTON,METERING ASSEMBLY Index 4820-00-789-9163 DISK,VALVE

National Stock Number:
5340-00-789-9162

Federal Supply Class:
5340

National Item Identification Number:
007899162

Description:
SEAT,HELICAL COMPRESSION SPRING

Detail:
A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.


Manufacturer Information:
113858-92N935BOEING DISTRIBUTION SERVICES X, INC.
113858-959364HONEYWELL INTERNATIONAL INC.
113858-970210HONEYWELL INTERNATIONAL INC.
113858-972599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
113858-999193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
DISTANCE FROM END TO FIRST STEP1.0000 INCHES NOMINAL
END DIAMETER0.2650 INCHES NOMINAL
BORE TAPER IN DEG45.0
COUNTERBORE DIAMETER0.1930 INCHES NOMINAL
COUNTERBORE LENGTH0.0650 INCHES NOMINAL
DESIGN TYPESOLID
FIRST STEP DIAMETER0.3700 INCHES NOMINAL
OVERALL HEIGHT0.1600 INCHES NOMINAL
MATERIAL HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
MATERIALSTEEL
STYLE DESIGNATORSEAT
SURFACE TREATMENTNICKEL


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