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National Stock Number:
5340-01-026-6746
Federal Supply Class:
5340
National Item Identification Number:
010266746
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:
| 66-9677 | 81205 | THE BOEING COMPANY | | 66-9677-1 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM END TO FIRST STEP | 0.2000 INCHES NOMINAL | | END DIAMETER | 1.2200 INCHES MINIMUM AND 1.2300 INCHES MAXIMUM | | BORE DIAMETER | 0.6800 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 1.2800 INCHES MINIMUM AND 1.2900 INCHES MAXIMUM | | COUNTERBORE LENGTH | 2.1500 INCHES NOMINAL | | DESIGN TYPE | SOLID | | FIRST STEP DIAMETER | 1.7800 INCHES NOMINAL | | FIRST STEP LENGTH | 0.1200 INCHES NOMINAL | | OVERALL HEIGHT | 2.9300 INCHES MINIMUM AND 2.9700 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY | | SECOND END DIAMETER | 1.5400 INCHES NOMINAL | | SPECIAL FEATURES | COUNTERSINK ANGLE ALONG COUNTERBORE LENGTH 43.0 TO 47.0 DEGREES; SEAT ANGLE 42.0 TO 48.0 DEGREES; LEFT END BODY CORNER 0.0900 TO 0.1500 INCH R; CHAMFER RIGHT END CORNERS 45.0 DEGREES BY 0.03 INCHES | | SPHERICAL SEAT TOP RADIUS | 0.0200 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM | | STYLE DESIGNATOR | SEAT |
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