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National Stock Number:
5340-00-987-5120
Federal Supply Class:
5340
National Item Identification Number:
009875120
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:
| 556771 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| END DIAMETER | 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM | | BORE DIAMETER | 0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.1930 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM | | FIRST STEP DIAMETER | 0.3980 INCHES MINIMUM AND 0.4040 INCHES MAXIMUM | | FIRST STEP LENGTH | 0.0300 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM | | OVERALL HEIGHT | 0.4000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 75.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 79.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM | | MATERIAL | STEEL COMP 416 | | SECOND END DIAMETER | 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM | | SECOND STEP LENGTH | 0.0350 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM | | SECOND STEP DIAMETER | 0.4900 INCHES MINIMUM AND 0.4960 INCHES MAXIMUM | | SPECIAL FEATURES | 0.156 IN. DIA THRU HOLES EQUALLY SPACED IN 1ST END(4 HOLES);0.130 IN. DISTANCE FROM HOLE CTR TO END;NOT CASEHARDENED |
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