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National Stock Number:
5340-00-354-9209
Federal Supply Class:
5340
National Item Identification Number:
003549209
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:
| BORE DIAMETER | 0.4640 INCHES MINIMUM AND 0.4660 INCHES MAXIMUM | | BORE TAPER IN DEG | 7.125 | | CHAMFER ANGLE IN DEG | 7.2 | | COUNTERSINK ANGLE IN DEG | 45.0 | | COUNTERSINK DIAMETER | 0.5570 INCHES MINIMUM AND 0.5590 INCHES MAXIMUM | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.3130 INCHES NOMINAL | | END DIAMETER | 0.5160 INCHES NOMINAL | | FIRST STEP DIAMETER | 0.7500 INCHES NOMINAL | | MATERIAL | STEEL | | OVERALL HEIGHT | 0.3750 INCHES NOMINAL | | SPECIAL FEATURES | MATL-STEEL ASTM A322 GRADE 1340 OR ASTM A331 GRADE 1340;NOT CASEHARDENED |
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