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National Stock Number:
3020-01-238-8338
Federal Supply Class:
3020
National Item Identification Number:
012388338
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:
| 014222-501 | 59027 | MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT WESTERN DESIGN | | 014222-501 | 62228 | MEGGITT DEFENSE SYSTEMS, INC. | | HM025-678-1 | 1T765 | ROBERTSON FUEL SYSTEMS, L.L.C. |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE NOMINAL DIAMETER | 0.644 INCHES BOTH ENDS | | BORE STYLE | INVOLUTE SPLINE BOTH ENDS | | FACE NOMINAL WIDTH | 0.250 INCHES | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | HUB NOMINAL DIAMETER | 0.3125 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.187 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 3.800 INCHES | | PITCH DIAMETER | 3.6000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | HEAT TREAT TO RC31-36 PER MIL-H-6875,140-160 KSI TENSILE STRENGTH; SPLINE DATA: CLASS OF FIT=5,SPLINE PITCH=24/48,PIN DIA.=0.072,DIA. BETWEEN PINS=0.4826,FORM DIA.=0.629,TOOTH FORM=FLATROOT SIDE FIT INVOLUTE PER ANSI B92.1-1970; 5 EQUALLY SPACED LIGHTENING HOLES 0.750 IN. DIA.; SPUR GEAR DATA: DIAMETRAL PITCH=10,ADDENDUM=0.1000,ROOT DIA.=3.350,MAX. TOOTH THK.=0.15508,MEAS.OVER PINS=3.8369,PIN DIA.=0.1728,TESTING PRESSURE(OZ.)=29-35,CENTER DISTANCERADIUS=1.7988,MAX. TOOTH-TOOTH COMPOSITE ERROR=0.0015,MAX. TOTAL COMPOSITE ERROR=0.0041,NO. OF TEETH(MATING GEAR)=45,NOM. CENTER DISTANCE=4.050 | | SPLINE PITCH DIAMETER | 0.5833 INCHES NOMINAL BOTH ENDS | | SPLINE QUANTITY | 14 BOTH ENDS | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1,BLACK MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | TEETH QUANTITY | 36 | | TOOTH FORM | STANDARD |
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