Part Number
Part Number:
NSN:
NIIN:
Item Name:
GEAR , SPUR
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 1T765 | ROBERTSON FUEL SYSTEMS L.L.C. |
Federal Supply Class
Title
GEARS, PULLEYS, SPROCKETS, AND T
Inclusions:
INCLUDES POWER TRANSMISSION CHAIN; MATCHED GEAR SETS.
Exclusions:
EXCLUDES REDUCTION GEARS (FSC 3010).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CWRM | FACE NOMINAL WIDTH | 0.250 INCHES |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| AAQL | BODY STYLE | PLAIN, SOLID |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWRS | BORE NOMINAL DIAMETER | 0.644 INCHES BOTH ENDS |
| AJLA | TEETH QUANTITY | 20 |
| FEAT | 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 |
| AGJS | PITCH DIAMETER | 2.2222 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5636 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | HUBLESS |
| ANTP | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BDTX | SPLINE PITCH DIAMETER | 0.58333 INCHES NOMINAL BOTH ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.444 INCHES |
| ABSA | SPLINE QUANTITY | 14 BOTH ENDS |
| CWNH | TOOTH FORM | STANDARD |