NSN 5340-01-172-9501

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-01-172-9501 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: MC15909, 5340-01-172-9501, 01-172-9501, 5340011729501, 011729501

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 28, 198401-172-950124328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-01-172-9501
Part Number Cage Code Manufacturer
MC1590976050EATON AEROSPACE LLCM C AEROSPACE DIV
Technical Data | NSN 5340-01-172-9501
Characteristic Specifications
MATERIAL STEEL COMP 630
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATINGRSB77.7 ROCKWELL SUPERFICIAL 15-N AND RSC82.0 ROCKWELL SUPERFICIAL 15-N
SURFACE TREATMENT PASSIVATE
STYLE DESIGNATOR2 SEAT
OVERALL HEIGHT0.3200 INCHES NOMINAL
END DIAMETER0.2330 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.0590 INCHES NOMINAL
FIRST STEP DIAMETER0.3800 INCHES NOMINAL
FIRST STEP LENGTH0.0600 INCHES NOMINAL
SECOND STEP DIAMETER0.5000 INCHES NOMINAL
SECOND STEP LENGTH0.0710 INCHES NOMINAL
BORE DIAMETER0.0630 INCHES NOMINAL
COUNTERBORE LENGTH0.2610 INCHES NOMINAL
BORE TAPER IN DEG45.0
COUNTERSINK ANGLE IN DEG45.0
SEAT ANGLE IN DEG30.0
DESIGN TYPE SOLID
SPECIAL FEATURESSURFACE TREAT.-PASSIVATE PER MCP38,KELSEY-HAYES CO.;NOT CASEHARDENED
FSC APPLICATION DATAACFT HYD SYSTEM