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 |
|---|---|---|---|---|---|---|---|---|
| 20184-5 | 14632 | A | 7 | 2 | 1 | AX | ||
| AB550-1251 | 01351 | A | 3 | 2 | A | AX |
CAGE Information
| Code | Company |
|---|---|
| 01351 | SOUTHERN GEAR & MACHINE INC. |
| 14632 | DRS SIGNAL SOLUTIONS 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 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| CWRM | FACE NOMINAL WIDTH | 0.156 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE HUB |
| CWTX | HUB NOMINAL DIAMETER | 0.562 INCHES FIRST END |
| AJLA | TEETH QUANTITY | 125 |
| CWFR | NOMINAL OVERALL LENGTH | 0.375 INCHES |
| AGJS | PITCH DIAMETER | 1.3021 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.3229 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| MATT | MATERIAL | STEEL HUB |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CWRS | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWNH | TOOTH FORM | STANDARD |