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National Stock Number:
5340-00-179-6429
Federal Supply Class:
5340
National Item Identification Number:
001796429
Description:
SEAT,HELICAL COMPRESSION SPRING
Detail:
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.
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Manufacturer Information:
| 42578-2 | 81873 | WOODWARD HRT INC |
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Techincal Specification:
| DISTANCE FROM END TO FIRST STEP | 0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM | | END DIAMETER | 0.3650 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM | | BORE DIAMETER | 0.2350 INCHES MINIMUM AND 0.2450 INCHES MAXIMUM | | DESIGN TYPE | SOLID | | FIRST STEP DIAMETER | 0.4335 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM | | OVERALL HEIGHT | 0.4380 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | SPECIAL FEATURES | MATL-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 | | SURFACE TREATMENT | PASSIVATE | | TEST DATA DOCUMENT | 81349-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.). |
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