Part Number
Part Number:
NSN:
NIIN:
Item Name:
GEAR , SPUR
Definition:
A GEAR, CYLINDRICAL IN FORM, WITH STRAIGHT TEETH ON THE OUTER SURFACE PARALLEL TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, SPUR. FOR BULK MATERIAL, SEE ROD, PINION.
CAGE Information
| Code | Company |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON 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 |
|---|---|---|
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM HUB AND 41.0 ROCKWELL C MAXIMUM HUB |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.425 INCHES FIRST END |
| CXRX | HUB SPLINE QUANTITY | 56 FIRST END |
| CWTR | HUB STYLE DESIGNATOR | EXTERNALLY SPLINED, INVOLUTE SPLINES FIRST END |
| AAQL | BODY STYLE | PLAIN, SOLID |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| ANTP | BORE STYLE | W/COUNTERBORE BOTH ENDS |
| AGJS | PITCH DIAMETER | 6.1571 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 5.160 INCHES COUNTERBORE, FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.406 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 5.165 INCHES COUNTER BORE, SECOND END |
| CWRM | FACE NOMINAL WIDTH | 2.060 INCHES |
| CQFM | HARDNESS RATING | 90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM TEETH AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM TEETH |
| CWTB | COUNTERBORE NOMINAL DEPTH | 1.811 INCHES COUNTER BORE, SECOND END |
| CXRZ | HUB SPLINE PITCH DIAMETER | 5.6000 INCHES NOMINAL FIRST END |
| AJLA | TEETH QUANTITY | 48 |
| CWRS | BORE NOMINAL DIAMETER | 4.860 INCHES BOTH ENDS |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.600 INCHES COUNTERBORE, FIRST END |
| CWNH | TOOTH FORM | SPECIAL |