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National Stock Number:
3020-01-245-2487
Federal Supply Class:
3020
National Item Identification Number:
012452487
Description:
GEAR,SPUR
Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.
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Manufacturer Information:
| 007213-501 | 59027 | MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT WESTERN DESIGN | | 007213-501 | 62228 | MEGGITT DEFENSE SYSTEMS, INC. |
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Techincal Specification:
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES | | BORE STYLE | INVOLUTE SPLINE SECOND END | | BORE STYLE | W/COUNTERBORE COUNTERBORE FIRST END | | FACE NOMINAL WIDTH | 0.3000 INCHES | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL OUTSIDE DIAMETER | 4.1340 INCHES | | SPECIAL FEATURES | 5 HOLES 0.323 IN. DIA.; GEAR DATA: TOOTH FORM=FULL DEPTH; DIAMETRAL PITCH=10.16; ADDENDUM=0.0984; ROOT DIA.=3.691; MAX. TOOTH-TOOTH COMPOSITE ERROR=0.00145; MAX. TOOTH THK.=0.1526; MEAS. OVER PINS=4.1803; PIN DIA.=0.1728; MAX. TOTAL COMPOSITE ERROR=0.00419; NO.OF TEETH OF MATING GEAR=32; CENTER DISTANCE=3.543; SPLINE DATA: PITCH=20/40,PRESSURE ANGLE=30 DEG.; BASE DIA.=0.64951; FORM DIA.=0.804; MAX. MEAS. BETWEEN PINS=0.6248; PIN DIA.=0.864 | | PITCH DIAMETER | 3.9370 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPLINE PITCH DIAMETER | 0.7500 INCHES NOMINAL SECOND END | | SPLINE QUANTITY | 15 SECOND END | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-12924,CLASS 1,BLACK MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | TEETH QUANTITY | 40 | | TAPER MAJOR NOMINAL DIAMETER | 0.875 INCHES COUNTERBORE FIRST END |
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