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National Stock Number:
5340-01-087-9116
Federal Supply Class:
5340
National Item Identification Number:
010879116
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:
| 340932 | 00198 | PRATT & WHITNEY CANADA CORP |
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Techincal Specification:
| DESIGN TYPE | SOLID | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 4340 | | SPECIAL FEATURES | CASEHARDENED;O/A H 0.625 IN. MIN AND 0.635 IN. MAX; FIRST STEP DIA 1.687 IN. MIN & 1.697 IN. MAX; FIRST STEP LG 0.099 IN. MIN & 0.119 IN. MAX; SECOND STEP DIA 2.090 IN. MIN & 2.110 IN. MAX; BORE DIA 0.976 IN. MIN & 0.979 IN. MAX; END DIA 1.115 IN. MIN & 1.135 IN. MAX;BORE TAPER 7.5 DEG; DISTANCE FM END TO FIRST STEP 0.356 IN. MIN & 0.386 IN. MAX |
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