NSN 5340-01-158-1889

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-01-158-1889 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: 10112816, 30031893, 3003189-3, 30031893, 3003189-3, 5340-01-158-1889, 01-158-1889, 5340011581889, 011581889

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 18, 198301-158-188924328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-01-158-1889
Part Number Cage Code Manufacturer
10112816A486GNIMIKKEISTOKESKUS NCB FINLAND
3003189-382106PARKER-HANNIFIN CORPORATIONDBA CONTROL SYSTEMS DIVISION
3003189-393835PARKER-HANNIFIN CORPORATIONDBA HYDRAULIC SYSTEMS DIVISION
Technical Data | NSN 5340-01-158-1889
Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATINGRCB49.0 ROCKWELL C MAXIMUM AND 53.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
END DIAMETER0.4190 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.2850 INCHES NOMINAL
FIRST STEP DIAMETER0.7100 INCHES MINIMUM AND 0.7200 INCHES MAXIMUM
BORE DIAMETER0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM
COUNTERSINK DIAMETER0.3120 INCHES NOMINAL
COUNTERBORE LENGTH0.0440 INCHES MINIMUM AND 0.0460 INCHES MAXIMUM
COUNTERBORE DIAMETER0.4700 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG45.0
CHAMFER ANGLE IN DEG15.0
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED;MATL-STEEL QQ-S-763,CL 420