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National Stock Number:
5340-00-303-7020
Federal Supply Class:
5340
National Item Identification Number:
003037020
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:
| 1143598 | 18355 | THE BOEING COMPANY | | 1143598 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| BORE DIAMETER | 0.1250 INCHES NOMINAL | | DESIGN TYPE | SOLID | | FIRST STEP DIAMETER | 0.4840 INCHES MINIMUM AND 0.4850 INCHES MAXIMUM | | OVERALL HEIGHT | 0.1250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 | | SPECIAL FEATURES | ALL DIAMETERS MARKED MUST BE CONCENTRIC WITHIN 0.001 FULL INDICATOR READING; ON 0.281 DRILL 4 HOLES EQUALLY SPACED 1/16 IN. DIA |
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