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National Stock Number:
5340-00-052-4379
Federal Supply Class:
5340
National Item Identification Number:
000524379
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:
| 59169 | 81982 | HYDRO-AIRE AEROSPACE CORP |
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Techincal Specification:
| END DIAMETER | 0.3050 INCHES NOMINAL | | BORE DIAMETER | 0.0370 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.1360 INCHES NOMINAL | | COUNTERSINK ANGLE IN DEG | 59.000 | | COUNTERSINK DIAMETER | 0.1360 INCHES NOMINAL | | COUNTERBORE LENGTH | 0.0650 INCHES NOMINAL | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.0900 INCHES NOMINAL | | FIRST STEP DIAMETER | 0.4600 INCHES NOMINAL | | FSC APPLICATION DATA | ROTOR BRAKE,ACFT | | OVERALL HEIGHT | 0.1300 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 416 | | SPECIAL FEATURES | NOT CASEHARDENED | | SURFACE TREATMENT | PASSIVATE |
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