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National Stock Number:
5340-00-245-1872
Federal Supply Class:
5340
National Item Identification Number:
002451872
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:
| 65652-11255-105 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| END DIAMETER | 0.4000 INCHES MINIMUM AND 0.4200 INCHES MAXIMUM | | BORE DIAMETER | 0.3120 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM | | COUNTERSINK DIAMETER | 0.0100 INCHES MINIMUM AND 0.0200 INCHES MAXIMUM | | COUNTERSINK ANGLE IN DEG | 45.0 | | DISTANCE FROM END TO FIRST STEP | 0.0900 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM | | FIRST STEP DIAMETER | 0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM | | OVERALL HEIGHT | 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 630 | | SPECIAL FEATURES | PASSIVATE SS8435 | | SURFACE TREATMENT | PASSIVATE |
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