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 |
|---|---|---|---|---|---|---|---|---|
| 10181794-2 | 18876 | A | 3 | 2 | A | AX | ||
| AB350-90-2498M0DIFIED | 01351 | A | 5 | 2 | E | AX |
CAGE Information
| Code | Company |
|---|---|
| 01351 | SOUTHERN GEAR & MACHINE 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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | PASSIVATE HUB |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 SECOND GEAR |
| CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| MATT | MATERIAL | STEEL SPRING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| AGJS | PITCH DIAMETER | 1.2500 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | ANODIZE FIRST GEAR |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.277 INCHES |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| SFTT | SURFACE TREATMENT | ANODIZE SECOND GEAR |
| CWTX | HUB NOMINAL DIAMETER | 0.563 INCHES FIRST END |
| MATT | MATERIAL | STEEL COMP 303S HUB |
| AJLA | TEETH QUANTITY | 90 |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWNH | TOOTH FORM | STANDARD |