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 |
|---|---|
| 28265 | HERCULES ENGINE CO 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 |
|---|---|---|
| BYFM | CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.566 INCHES NOMINAL |
| BYFM | CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.566 INCHES NOMINAL |
| BFYT | HOLE LOCATION | ON WEBBING,180 DEG APART,ON A 2-3/4 IN. BOLT CIRCLE |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| MATL | MATERIAL | STEEL, SAE 1040 |
| ASBP | BORE TYPE | STRAIGHT |
| AAWZ | COUNTERBORE DEPTH | 0.406 INCHES NOMINAL |
| BSNP | SECURING METHOD | THREADED HOLE |
| BYFP | ASA STANDARD CHAIN NUMBER | 40-3 |
| BYFH | BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED | ROLLER CHAIN |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 4.250 INCHES END ANY ACCEPTABLE |
| BYFJ | ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED | SINGLE PITCH |
| AXND | COUNTERBORE FEATURE | INCLUDED |
| BYFW | HUB EXTERNAL KEYWAY | NOT INCLUDED |
| ABXV | BORE DIAMETER | 0.812 INCHES NOMINAL |
| AGJS | PITCH DIAMETER | 7.327 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | HUB COUNTERBORE IS TAPERED 1.505 TO 1.495 IN. PER FT,SPOT FACE 1.375 IN. DIA BY 0.469 IN. THK CENTRALLY LOCATED IN FACE OF WEBBING |
| BYFN | TEETH QUANTITY PER ROW | 46 |
| AHYF | SECURING HOLE QUANTITY | 2 |
| ABUJ | THREAD SIZE | 1/2 IN. -20 |
| BYGF | TOOTH PITCH | 0.500 INCHES NOMINAL |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BYFS | BORE BEARING | NOT INCLUDED |
| BYFL | TEETH ROW QUANTITY | 3 |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.4075 INCHES MINIMUM AA END AND 0.4225 INCHES MAXIMUM AA END |
| BYFQ | HARDNESS RATING TEST METHOD | NOT RATED |
| ARJD | DESIGN FORM | WEBBED |
| BDYS | COUNTERBORE LOCATION | BOTH ENDS |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| AAWY | COUNTERBORE DIAMETER | 3.435 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 7.609 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.812 INCHES NOMINAL |
| AQPL | FACE WIDTH | 1.390 INCHES MINIMUM AND 1.405 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 0.938 INCHES NOMINAL |