National Stock Number (NSN) Output Data
NSN:
NIIN:
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 |
|---|---|---|---|---|---|---|---|---|
| 9174827 | 18876 | A | 5 | 2 | 1 | AX | ||
| VCAA103PRECISI0N | 01147 | F | 3 | 9 | 5 | AX |
CAGE Information
| Code | Company |
|---|---|
| 01147 | ARCH GEAR WORKS INC |
| 18876 | U S ARMY AVIATION AND MISSILE COMMAN |
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 |
|---|---|---|
| CMLM | MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB, FIRST END |
| CWWS | FIRST STEP NOMINAL LENGTH | 0.047 INCHES FIRST END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.037 INCHES SECOND END |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| CWXY | FIRST GROOVE NOMINAL WIDTH | 0.270 INCHES FIRST END |
| CWYL | NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.093 INCHES FIRST END |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWTR | HUB STYLE DESIGNATOR | PLAIN SECOND END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.952 INCHES |
| CWXL | SECOND STEP NOMINAL DIAMETER | 0.748 INCHES FIRST END |
| AJLA | TEETH QUANTITY | 123 |
| BDZQ | BACKLASH DESIGNATION | GRADE C |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.427 INCHES FIRST END |
| CWXG | SECOND STEP NOMINAL LENGTH | 0.297 INCHES FIRST END |
| FEAT | SPECIAL FEATURES | MTG HOLES 90 DEGS APART |
| CWYD | FIRST GROOVE NOMINAL DIAMETER | 0.747 INCHES FIRST END |
| CWXB | FIRST STEP NOMINAL DIAMETER | 1.000 INCHES FIRST END |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| AGJS | PITCH DIAMETER | 1.9218 INCHES NOMINAL |
| CWXT | THIRD STEP NOMINAL DIAMETER | 1.000 INCHES FIRST END |
| CWWN | END NOMINAL DIAMETER | 0.748 INCHES FIRST END |
| MATT | MATERIAL | ALUMINUM ALLOY HUB |
| CWWH | END NOMINAL LENGTH | 0.046 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 0.114 INCHES |
| CWXP | THIRD STEP NOMINAL LENGTH | 0.037 INCHES FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 0.813 INCHES SECOND END |
| CWFR | NOMINAL OVERALL LENGTH | 0.578 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWTR | HUB STYLE DESIGNATOR | 3 STEPS FIRST END |
| CWNH | TOOTH FORM | STANDARD |