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 |
---|---|
29440 | W. M. BERG INC |
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 |
---|---|---|
SFTT | SURFACE TREATMENT | PASSIVATE HUB |
SFTT | SURFACE TREATMENT | ANODIZE BODY |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE HUB |
CWWC | CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END |
AJLA | TEETH QUANTITY | 50 |
CWTX | HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END |
CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
CWRM | FACE NOMINAL WIDTH | 0.104 INCHES |
ABSX | ATTACHMENT METHOD | CLAMP |
CWCD | NOMINAL OUTSIDE DIAMETER | 0.8125 INCHES |
STYL | STYLE DESIGNATOR | PROTRUDING HUB |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
CWTR | HUB STYLE DESIGNATOR | SPLIT FIRST END |
CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END |
AGJS | PITCH DIAMETER | 0.7812 INCHES NOMINAL |
ANTP | BORE STYLE | PLAIN BOTH ENDS |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
CWRS | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
CWNH | TOOTH FORM | STANDARD |