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National Stock Number:
5340-01-129-8518
Federal Supply Class:
5340
National Item Identification Number:
011298518
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:
| 10112550 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 36712 | 99643 | EATON AEROSPACE LLC |
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Techincal Specification:
| END DIAMETER | 0.3280 INCHES NOMINAL | | BORE DIAMETER | 0.1250 INCHES NOMINAL | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.2520 INCHES NOMINAL | | FIRST STEP LENGTH | 0.0600 INCHES NOMINAL | | FIRST STEP DIAMETER | 0.3280 INCHES NOMINAL | | OVERALL HEIGHT | 0.4170 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 440C | | SECOND END DIAMETER | 0.2100 INCHES NOMINAL | | SPECIAL FEATURES | NOT CASEHARDENED | | SPHERICAL SEAT TOP RADIUS | 0.0630 INCHES NOMINAL | | STYLE DESIGNATOR | SEAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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