NSN 5340-00-179-6429

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-179-6429 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: 425782, 42578-2, 5340-00-179-6429, 00-179-6429, 5340001796429, 001796429

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 17, 196900-179-642924328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5340-00-179-6429
Part Number Cage Code Manufacturer
42578-281873WOODWARD HRT, INC.
Technical Data | NSN 5340-00-179-6429
Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING
SURFACE TREATMENT PASSIVATE
OVERALL HEIGHT0.4380 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM
END DIAMETER0.3650 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM
FIRST STEP DIAMETER0.4335 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM
BORE DIAMETER0.2350 INCHES MINIMUM AND 0.2450 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURESMATL-CRES STEEL AMS 5643,COMP 17-4PH;PASSIVATED,HRPS-161 HYDRAULIC RESEARCH;RIGHT END C/BORED 0.307/0.308 IN. DIA BY 0.180/0.185 IN. DEEP,RIGHT END SLOTTED 4 PLACES EQUALLY SPACED 0.093 IN. W BY 0.080 IN. DEEP,4 HOLES 0.109 IN. DIA EQUALLY SPACED DRILLED THRU SEAT 0.306 IN. FROM RIGHT END
TEST DATA DOCUMENT81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).