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National Stock Number:
3020-01-238-8339
Federal Supply Class:
3020
National Item Identification Number:
012388339
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:
| 014223-501 | 59027 | MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT WESTERN DESIGN | | 014223-501 | 62228 | MEGGITT DEFENSE SYSTEMS, INC. | | HM025-677-1 | 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 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5636 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL OUTSIDE DIAMETER | 2.444 INCHES | | PITCH DIAMETER | 2.2222 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | HEAT TREAT TO RC 31-36 PER MIL-H-6875(140-160 KSI TENSILE STRENGTH); SPUR GEAR DATA: DIAMETRAL PITCH=9,ADDENDUM=0.1111,ROOT DIA.=1.944,MAX. TOOTH THK.=0.17253,MEAS. OVER PINS=2.4832,PINDIA.=0.192,TESTING PRESSURE(OZ.)=33-39,CENTER DISTANCE RADIUS=1.1043,MAX. TOOTH-TOOTH COMPOSITE ERROR=0.00161,MAX.TOTAL COMPOSITE ERROR=0.00425,NO. OF TEETH(MATING GEAR)=40,NOM. CENTER DISTANCE=3.333; SPLINE DATA: BASE DIA.=0.50518,CLASS OF FIT=5,SPLINE PITCH=24/48,PIN DIA.=0.072,DIA. BETWEEN PINS=0.4826,FORM DIA. MIN.=0.629,TOOTH FORM=FLATROOT SIDE FIT INVOLUTE PER ANSI B92.1-1970 | | SPLINE PITCH DIAMETER | 0.58333 INCHES NOMINAL BOTH ENDS | | SPLINE QUANTITY | 14 BOTH ENDS | | STYLE DESIGNATOR | HUBLESS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | TEETH QUANTITY | 20 | | TOOTH FORM | STANDARD |
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