Part Number
Part Number:
NSN:
NIIN:
Item Name:
GEAR , HELICAL
Definition:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:
CAGE Information
| Code | Company |
|---|---|
| 0BR59 | DRESSER-RAND COMPANY DBA STEAM TRBIN |
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 |
|---|---|---|
| CBBL | FEATURES PROVIDED | TAPERED KEYWAY |
| ANTP | BORE STYLE | TAPERED W/KEYWAY BOTH ENDS |
| CWSN | KEYWAY NOMINAL WIDTH | 0.3130 INCHES BOTH ENDS |
| CWRM | FACE NOMINAL WIDTH | 1.250 INCHES |
| CWPZ | HELIX ANGLE | 30.0483 DEGREES |
| AAQL | BODY STYLE | PLAIN, SOLID |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWMW | TEETH TYPE | SINGLE HELIX |
| AGJS | PITCH DIAMETER | 2.7220 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 27 |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.8732 INCHES FIRST END |
| FEAT | SPECIAL FEATURES | SECOND END COUNTEBORED; 2.1880 IN. DIA; 0.3750 IN. DP |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,ALLOY NO. 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END |
| CQFM | HARDNESS RATING | 335.0 BRINELL STANDARD MINIMUM OVERALL AND 375.0 BRINELL STANDARD MAXIMUM OVERALL |
| CWTX | HUB NOMINAL DIAMETER | 2.250 INCHES FIRST END |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 2.1880 INCHES SECOND END |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWSW | TAPER MAJOR NOMINAL DIAMETER | 1.3700 INCHES FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.8940 INCHES |
| CWNH | TOOTH FORM | STANDARD |