Part Number
Part Number:
NSN:
NIIN:
Item Name:
SPROCKET WHEEL
Definition:
A TOOTHED WHEEL WHOSE TEETH OR SPROCKETS ARE DESIGNED TO BE ENGAGED WITH THE LINKS OF A PITCH CHAIN, TRACK, OR THE LIKE. IT IS USUALLY USED FOR TRANSMITTING POWER.
CAGE Information
| Code | Company |
|---|---|
| 1ML14 | D.W. HERCULES LLC DBA HERCULES ENGIN |
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 |
|---|---|---|
| BYZL | FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 1.500 INCHES INNER NEEDLE PEAK |
| AQPL | FACE WIDTH | 1.390 INCHES NOMINAL |
| BYFM | CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.566 INCHES NOMINAL |
| MATL | MATERIAL | STEEL, SAE 3140 |
| ABSA | SPLINE QUANTITY | 6 |
| ABHE | OUTSIDE DIAMETER | 3.938 INCHES NOMINAL |
| BYZN | FIRST STEP LENGTH AND LOCATION | 0.781 INCHES NOMINAL BOTH ENDS |
| BYFN | TEETH QUANTITY PER ROW | 23 |
| BYFB | GROOVE/STEP LOCATION | BOTH ENDS |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 1.125 INCHES UNDER PEAK AND 1.126 INCHES OUTER SURFACE OF TUBE PEAK |
| AGJS | PITCH DIAMETER | 3.672 INCHES NOMINAL |
| AAUJ | SPLINE MAJOR DIAMETER | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| BYFR | TEETH HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| BYFP | ASA STANDARD CHAIN NUMBER | 40-3 |
| BYFH | BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED | ROLLER CHAIN |
| ABSC | SPLINE MINOR DIAMETER | 0.642 INCHES MINIMUM AND 0.644 INCHES MAXIMUM |
| BYFJ | ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED | SINGLE PITCH |
| AAWZ | COUNTERBORE DEPTH | 0.594 INCHES NOMINAL AND 0.594 INCHES NOMINAL |
| AXND | COUNTERBORE FEATURE | INCLUDED |
| ASBP | BORE TYPE | STRAIGHT SPLINE |
| BYFW | HUB EXTERNAL KEYWAY | NOT INCLUDED |
| AXFH | SPLINE LENGTH | 1.875 INCHES NOMINAL |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.831 INCHES MINIMUM BB END AND 1.125 INCHES MINIMUM AA END AND 1.126 INCHES MAXIMUM AA END AND 0.833 INCHES MAXIMUM BB END |
| BYGF | TOOTH PITCH | 0.500 INCHES NOMINAL |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | STEPPED |
| BYFS | BORE BEARING | NOT INCLUDED |
| BYZP | SECOND STEP LENGTH AND LOCATION | 0.050 INCHES UNDER PEAK AND 0.052 INCHES OUTER SURFACE OF TUBE PEAK |
| BYFL | TEETH ROW QUANTITY | 3 |
| ARJD | DESIGN FORM | WEBBED |
| BDYS | COUNTERBORE LOCATION | BOTH ENDS |
| BYFQ | HARDNESS RATING TEST METHOD | ROCKWELL |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| AAWY | COUNTERBORE DIAMETER | 0.766 INCHES NOMINAL AND 0.766 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 32.0 ROCKWELL C MINIMUM HUB AND 36.0 ROCKWELL C MAXIMUM HUB |
| ABHP | OVERALL LENGTH | 3.063 INCHES NOMINAL |