Part Number
Part Number:
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.
CAGE Information
| Code | Company |
|---|---|
| 36090 | LOCKHEED MARTIN LIBRASCOPE CORP |
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 |
|---|---|---|
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
| AJLA | TEETH QUANTITY | 120 |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| BDZQ | BACKLASH DESIGNATION | GRADE C |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| AGJS | PITCH DIAMETER | 1.2500 INCHES NOMINAL |
| CWTX | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL OR ALUMINUM ALLOY 6061 OVERALL |
| CWRS | BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |
| CWNH | TOOTH FORM | SPECIAL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.2698 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,ALLOY ALCLAD,T4 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-A-325,GRADE T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL |