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National Stock Number:
5340-01-148-2960
Federal Supply Class:
5340
National Item Identification Number:
011482960
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:
| 2149926 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| END DIAMETER | 1.0000 INCHES NOMINAL | | BORE DIAMETER | 0.7550 INCHES MINIMUM AND 0.7650 INCHES MAXIMUM | | COUNTERBORE LENGTH | 0.2600 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 0.8800 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.2500 INCHES NOMINAL | | FIRST STEP DIAMETER | 1.6250 INCHES NOMINAL | | OVERALL HEIGHT | 0.3750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 630,17-4 PH ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 630 | | SPECIAL FEATURES | FOUR 0.1875 IN. DIA HOLE EQUALLY SPACED ON 1.312 IN. BOLT CIRCLE LOCATED ON FIRST STEP DIA | | STYLE DESIGNATOR | SEAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35, TYPE 2 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-35,TY 1 OR 3 FED SPEC 2ND TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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