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National Stock Number:
5340-00-429-4111
Federal Supply Class:
5340
National Item Identification Number:
004294111
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 | 1.2500 INCHES NOMINAL | | BORE DIAMETER | 0.5310 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.5310 INCHES NOMINAL | | COUNTERBORE LENGTH | 0.4050 INCHES NOMINAL | | COUNTERSINK DIAMETER | 1.0620 INCHES NOMINAL | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.0810 INCHES MINIMUM AND 0.2060 INCHES MAXIMUM | | FIRST STEP DIAMETER | 1.7500 INCHES NOMINAL | | FIRST STEP LENGTH | 0.1560 INCHES NOMINAL | | MATERIAL | IRON | | OVERALL HEIGHT | 0.4690 INCHES NOMINAL | | SECOND COUNTERBORE DIAMETER | 1.2500 INCHES NOMINAL | | SECOND COUNTERBORE LENGTH | 0.1880 INCHES NOMINAL | | SECOND STEP DIAMETER | 2.2500 INCHES NOMINAL | | STYLE DESIGNATOR | SEAT |
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