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 |
|---|---|
| 71041 | ALTRA HOLDINGS INC. DIV BOSTON GEAR |
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 |
|---|---|---|
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.716 INCHES NOMINAL AA END |
| ABXV | BORE DIAMETER | 0.751 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| AGJS | PITCH DIAMETER | 3.989 INCHES NOMINAL |
| BYFN | TEETH QUANTITY PER ROW | 25 |
| ARJD | DESIGN FORM | PLAIN |
| MATL | MATERIAL | STEEL |
| BYFP | ASA STANDARD CHAIN NUMBER | 40 |
| ASBP | BORE TYPE | STRAIGHT |
| BYFH | BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED | ROLLER CHAIN |
| BYFJ | ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED | SINGLE PITCH |
| AXND | COUNTERBORE FEATURE | INCLUDED |
| BYFW | HUB EXTERNAL KEYWAY | NOT INCLUDED |
| BYFL | TEETH ROW QUANTITY | 1 |
| STYL | STYLE DESIGNATOR | PLAIN |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 2.500 INCHES END ANY ACCEPTABLE |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | PLAIN |
| BYGF | TOOTH PITCH | 0.500 INCHES NOMINAL |
| SURF | SURFACE TREATMENT | ZINC SILICATE |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| AAWY | COUNTERBORE DIAMETER | 1.120 INCHES NOMINAL |
| BYFF | SECURING LOCATION | BOTH ENDS |
| BYFS | BORE BEARING | NOT INCLUDED |
| ABHP | OVERALL LENGTH | 1.000 INCHES NOMINAL |
| BDYS | COUNTERBORE LOCATION | BB END |
| ABHE | OUTSIDE DIAMETER | 4.258 INCHES NOMINAL |
| BYFQ | HARDNESS RATING TEST METHOD | NOT RATED |
| ADGE | BORE LENGTH | 1.000 INCHES NOMINAL |
| AQPL | FACE WIDTH | 0.284 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 0.137 INCHES MINIMUM AND 0.147 INCHES MAXIMUM |
| BSNP | SECURING METHOD | PRESS FIT |