NSN 5340-01-142-4378

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-01-142-4378 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: 74A6500542001, 74A650054-2001, 10112730, 5340-01-142-4378, 01-142-4378, 5340011424378, 011424378

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 16, 198201-142-437824328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-01-142-4378
Part Number Cage Code Manufacturer
74A650054-200176301BOEING COMPANY, THEDBA BOEING
10112730A486GNIMIKKEISTOKESKUS NCB FINLAND
Technical Data | NSN 5340-01-142-4378
Characteristic Specifications
MATERIAL COPPER ALLOY 630
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4640 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.6110 INCHES NOMINAL
END DIAMETER0.3750 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.4860 INCHES NOMINAL
FIRST STEP DIAMETER0.7500 INCHES NOMINAL
BORE DIAMETER0.2520 INCHES NOMINAL
COUNTERSINK DIAMETER0.3400 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG90.0
DESIGN TYPE SOLID
FSC APPLICATION DATAQUADRANT ASSEMBLY,POWER CONTROL,AFT COCKPIT