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National Stock Number:
5340-01-129-8517
Federal Supply Class:
5340
National Item Identification Number:
011298517
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:
| 10112549 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 36646 | 99643 | EATON AEROSPACE LLC |
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Techincal Specification:
| END DIAMETER | 0.5230 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM | | BORE DIAMETER | 0.0930 INCHES NOMINAL | | CHAMFER ANGLE IN DEG | 15.0 | | COUNTERBORE DIAMETER | 0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM | | COUNTERBORE LENGTH | 0.5600 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM | | COUNTERSINK DIAMETER | 0.6000 INCHES MINIMUM AND 0.6050 INCHES MAXIMUM | | COUNTERSINK ANGLE IN DEG | 45.0 | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.0600 INCHES NOMINAL | | FIRST STEP LENGTH | 0.6030 INCHES NOMINAL | | FIRST STEP DIAMETER | 0.5550 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM | | OVERALL HEIGHT | 0.7410 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582, TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 416 | | SECOND STEP DIAMETER | 0.6870 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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