NIIN Output Data
NIIN:
NSN:
Item Name:
GEAR , ANTIBACKLASH , SPUR
Definition:
AN ITEM HAVING ONE FIXED GEAR AND ONE FREE GEAR, BOTH HAVING THE SAME COMPLEMENT OF SPUR GEAR TEETH, MOUNTED ON A COMMON HUB. THE FREE GEAR IS ATTACHED TO THE FIXED GEAR BY SPRINGS AND OPERATES AS ONE GEAR. UPON INSTALLATION WITH THE MATING GEAR, THE TEETH OF THE FREE MOVING GEAR ARE PRESET TO MESH WITH TEETH OTHER THAN THOSE OF THE FIXED GEAR. THIS SPRING TENSION BETWEEN THE FIXED GEAR AND THE FREE GEAR ELIMINATES ANY FREE MOTION BETWEEN THE DRIVER AND THE DRIVEN GEAR. THE GEAR IS USED WHERE IDENTICAL AND ACCURATE TRANSMITTED MOTION BETWEEN GEARS IS REQUIRED.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| 9139172 | 18876 | A | 3 | 2 | 1 | BD |
CAGE Information
| Code | Company |
|---|---|
| 18876 | U S ARMY AVIATION AND MISSILE COMMAN |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| CWRM | FACE NOMINAL WIDTH | 0.250 INCHES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.312 INCHES FIRST END |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AJLA | TEETH QUANTITY | 128 |
| CWFR | NOMINAL OVERALL LENGTH | 0.562 INCHES |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| AGJS | PITCH DIAMETER | 2.6667 INCHES NOMINAL |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| MATT | MATERIAL | STEEL COMP 410 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CWNH | TOOTH FORM | STANDARD |