NSN 5340-01-129-8517

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-01-129-8517 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: 36646, 10112549, 5340-01-129-8517, 01-129-8517, 5340011298517, 011298517

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 12, 198201-129-851724328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-01-129-8517
Part Number Cage Code Manufacturer
3664699643EATON CORPORATIONDBA EATON AEROSPACE
10112549A486GNIMIKKEISTOKESKUS NCB FINLAND
Technical Data | NSN 5340-01-129-8517
Characteristic Specifications
MATERIAL STEEL COMP 416
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582, TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATINGRCB24.0 ROCKWELL C MAXIMUM AND 32.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR5 SEAT
OVERALL HEIGHT0.7410 INCHES NOMINAL
END DIAMETER0.5230 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.0600 INCHES NOMINAL
FIRST STEP DIAMETER0.5550 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM
FIRST STEP LENGTH0.6030 INCHES NOMINAL
SECOND STEP DIAMETER0.6870 INCHES NOMINAL
BORE DIAMETER0.0930 INCHES NOMINAL
COUNTERSINK DIAMETER0.6000 INCHES MINIMUM AND 0.6050 INCHES MAXIMUM
COUNTERBORE LENGTH0.5600 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM
COUNTERBORE DIAMETER0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG45.0
CHAMFER ANGLE IN DEG15.0
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED