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National Stock Number:
5340-01-158-1889
Federal Supply Class:
5340
National Item Identification Number:
011581889
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:
| 10112816 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 3003189-3 | 82106 | PARKER-HANNIFIN CORPORATION | | 3003189-3 | 93835 | PARKER-HANNIFIN CORP |
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Techincal Specification:
| DISTANCE FROM END TO FIRST STEP | 0.2850 INCHES NOMINAL | | END DIAMETER | 0.4190 INCHES NOMINAL | | BORE DIAMETER | 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM | | CHAMFER ANGLE IN DEG | 15.0 | | COUNTERBORE DIAMETER | 0.4700 INCHES NOMINAL | | COUNTERSINK ANGLE IN DEG | 45.0 | | COUNTERSINK DIAMETER | 0.3120 INCHES NOMINAL | | COUNTERBORE LENGTH | 0.0440 INCHES MINIMUM AND 0.0460 INCHES MAXIMUM | | DESIGN TYPE | SOLID | | FIRST STEP DIAMETER | 0.7100 INCHES MINIMUM AND 0.7200 INCHES MAXIMUM | | OVERALL HEIGHT | 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM | | MATERIAL HARDNESS RATING | 49.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL | | SPECIAL FEATURES | NOT CASEHARDENED;MATL-STEEL QQ-S-763,CL 420 | | STYLE DESIGNATOR | SEAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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