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National Stock Number:
5340-00-459-9937
Federal Supply Class:
5340
National Item Identification Number:
004599937
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 | 1.3200 INCHES MINIMUM AND 1.3400 INCHES MAXIMUM | | BORE DIAMETER | 0.7750 INCHES MINIMUM AND 0.7850 INCHES MAXIMUM | | CHAMFER ANGLE IN DEG | 30.0 | | COUNTERBORE DIAMETER | 1.2850 INCHES MINIMUM AND 1.3000 INCHES MAXIMUM | | COUNTERBORE LENGTH | 0.2100 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM | | COUNTERSINK DIAMETER | 0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM | | COUNTERSINK ANGLE IN DEG | 45.0 | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.2000 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM | | FIRST STEP DIAMETER | 1.7500 INCHES NOMINAL | | FIRST STEP LENGTH | 0.1300 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM | | OVERALL HEIGHT | 0.4500 INCHES MINIMUM AND 0.4700 INCHES MAXIMUM | | MATERIAL | STEEL | | SECOND END DIAMETER | 1.3900 INCHES MINIMUM AND 1.4100 INCHES MAXIMUM |
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