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National Stock Number:
5340-01-149-2027
Federal Supply Class:
5340
National Item Identification Number:
011492027
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:
| 0711322-111 | 98391 | ARKWIN INDUSTRIES, INC. | | 10112773 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
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Techincal Specification:
| END DIAMETER | 0.5000 INCHES NOMINAL | | BORE DIAMETER | 0.2810 INCHES MINIMUM AND 0.2830 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 0.3480 INCHES MINIMUM AND 0.3520 INCHES MAXIMUM | | COUNTERBORE LENGTH | 0.3740 INCHES NOMINAL | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.3280 INCHES NOMINAL | | FIRST STEP LENGTH | 0.1000 INCHES NOMINAL | | FIRST STEP DIAMETER | 0.5300 INCHES NOMINAL | | OVERALL HEIGHT | 0.4900 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 630 | | SECOND STEP DIAMETER | 0.7500 INCHES NOMINAL | | SPECIAL FEATURES | NOT CASEHARDENED | | STYLE DESIGNATOR | SEAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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