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 |
---|---|
80249 | BAE SYSTEMS INFORMATION AND ELECTRON |
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 |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE BODY |
MATT | MATERIAL | STEEL COMP 302 SPRING |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE SPRING |
CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB |
CWWC | CLAMPING SURFACE NOMINAL LENGTH | 0.234 INCHES FIRST END |
CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE HUB |
ABSX | ATTACHMENT METHOD | CLAMP |
SFTT | SURFACE TREATMENT | PASSIVATE SPRING |
STYL | STYLE DESIGNATOR | PROTRUDING HUB |
MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
CWTR | HUB STYLE DESIGNATOR | SPLIT FIRST END |
CWCD | NOMINAL OUTSIDE DIAMETER | 1.8281 INCHES |
ANTP | BORE STYLE | PLAIN BOTH ENDS |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
MATT | MATERIAL | STEEL COMP 303 HUB |
CWTX | HUB NOMINAL DIAMETER | 0.563 INCHES FIRST END |
CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.313 INCHES FIRST END |
AGJS | PITCH DIAMETER | 1.7968 INCHES NOMINAL |
CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
AJLA | TEETH QUANTITY | 115 |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
CWNH | TOOTH FORM | STANDARD |