NSN 3020-01-238-8339

Part Details | SPUR GEAR

3020-01-238-8339 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.

Alternate Parts: 014223501, 014223-501, 014223501, 014223-501, HM0256771, HM025-677-1, 3020-01-238-8339, 01-238-8339, 3020012388339, 012388339

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30AUG 21, 198601-238-833905466 ( GEAR, SPUR )
REFERENCE DRAWINGS & PICTURES

PLAIN, SOLID

HUBLESS

Cross Reference | NSN 3020-01-238-8339
Part Number Cage Code Manufacturer
014223-50162228MEGGITT DEFENSE SYSTEMS, INC.
014223-50159027MEGGITT DEFENSE SYSTEMS, INC.DBA MEGGITT WESTERN DESIGN
HM025-677-11T765ROBERTSON FUEL SYSTEMS, L.L.C.
Technical Data | NSN 3020-01-238-8339
Characteristic Specifications
TEETH QUANTITY20
TOOTH FORM STANDARD
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATOR HUBLESS
PITCH DIAMETER2.2222 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER2.444 INCHES
FACE NOMINAL WIDTH0.250 INCHES
BODY STYLE PLAIN, SOLID
SPECIAL FEATURESHEAT 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