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National Stock Number:
5340-00-353-9363
Federal Supply Class:
5340
National Item Identification Number:
003539363
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:
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Techincal Specification:
| END DIAMETER | 0.0440 INCHES NOMINAL | | BORE DIAMETER | 0.4380 INCHES NOMINAL | | COUNTERBORE LENGTH | 0.4380 INCHES NOMINAL | | COUNTERSINK ANGLE IN DEG | 45.0 | | COUNTERSINK DIAMETER | 0.7500 INCHES NOMINAL | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.3120 INCHES NOMINAL | | FIRST STEP LENGTH | 0.0940 INCHES NOMINAL | | FIRST STEP DIAMETER | 0.8200 INCHES NOMINAL | | OVERALL HEIGHT | 0.4215 INCHES MINIMUM AND 0.4565 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 1010 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 30.0 ROCKWELL B MINIMUM AND 65.0 ROCKWELL B MAXIMUM | | MATERIAL | STEEL COMP 1010 | | SECOND STEP DIAMETER | 1.5000 INCHES NOMINAL | | SPECIAL FEATURES | VALVE ROCKER ASSEMBLIES,DIESEL ENGINE | | STYLE DESIGNATOR | SEAT |
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