NSN 5340-00-302-1677

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-302-1677 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: 68A4509362001, 68A450936-2001, 5340-00-302-1677, 00-302-1677, 5340003021677, 003021677

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 12, 197300-302-167724328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-302-1677
Part Number Cage Code Manufacturer
68A450936-200176301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5340-00-302-1677
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200 TO 3, ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.2100 INCHES NOMINAL
END DIAMETER0.5700 INCHES MINIMUM AND 0.5800 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.1200 INCHES NOMINAL
FIRST STEP DIAMETER0.7200 INCHES NOMINAL
BORE DIAMETER0.1850 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM
COUNTERSINK DIAMETER0.2930 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG90.0
SPHERICAL SEAT TOP RADIUS0.0440 INCHES NOMINAL
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED
FSC APPLICATION DATASTEER DAMPER,ACFT