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National Stock Number:
5340-01-134-4754
Federal Supply Class:
5340
National Item Identification Number:
011344754
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:
| 77-0544 | 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER | | 77-0544 | 55820 | RTX CORPORATION |
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Techincal Specification:
| END DIAMETER | 0.3925 INCHES NOMINAL | | BORE DIAMETER | 0.2535 INCHES NOMINAL | | COUNTERBORE LENGTH | 0.0300 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.3925 INCHES NOMINAL | | COUNTERSINK DIAMETER | 0.2535 INCHES NOMINAL | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.0700 INCHES NOMINAL | | FIRST STEP DIAMETER | 0.5200 INCHES NOMINAL | | OVERALL HEIGHT | 0.1250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SURFACE TREATMENT | ANODIZE |
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