NSN 5340-00-252-2663

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-252-2663 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.

Alternate Parts: 4G14403101A, 4G14403-101A, 5340-00-252-2663, 00-252-2663, 5340002522663, 002522663

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 24, 197000-252-266324328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-252-2663
Part Number Cage Code Manufacturer
4G14403-101A98897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5340-00-252-2663
Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATINGRCB24.0 ROCKWELL C MAXIMUM AND 32.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT PASSIVATE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.8000 INCHES NOMINAL
END DIAMETER0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.7090 INCHES MINIMUM AND 0.7110 INCHES MAXIMUM
FIRST STEP DIAMETER0.7800 INCHES MINIMUM AND 0.7900 INCHES MAXIMUM
BORE DIAMETER0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM
COUNTERBORE LENGTH0.2160 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM
COUNTERBORE DIAMETER0.4600 INCHES NOMINAL
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED