AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
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| Item Name | Sprocketwheel |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-493-1887 (004931887) |
| NCB Code | USA (00) |
| Manufacturer | Cleveland Trencher Co Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 5.000 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 0.228 INCHES NOMINAL |
| ABFF | FURNISHED ITEMS | COUNTERBORE AND KEYING FACILITY |
| ABHE | OUTSIDE DIAMETER | 10.460 INCHES NOMINAL |
| ABRR | KEYWAY WIDTH | 0.188 INCHES NOMINAL |
| ADGE | BORE LENGTH | 2.228 INCHES NOMINAL |
| AEVF | DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.920 INCHES NOMINAL |
| AGJS | PITCH DIAMETER | 10.036 INCHES NOMINAL |
| ANAL | TAPER BORE MAJOR DIAMETER | 1.495 INCHES NOMINAL |
| ANAM | TAPER BORE MINOR DIAMETER | 1.329 INCHES NOMINAL |
| AQPL | FACE WIDTH | 2.228 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | TAPERED |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 25.0 ROCKWELL C MAXIMUM HUB |
| BDYS | COUNTERBORE LOCATION | AA END |
| BSGK | KEYING FACILITY TYPE | TAPERED KEYWAY |
| BSNP | SECURING METHOD | ANY ACCEPTABLE |
| BYFL | TEETH ROW QUANTITY | 3 |
| BYFM | CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.892 INCHES NOMINAL |
| BYFN | TEETH QUANTITY PER ROW | 42 |
| BYFQ | HARDNESS RATING TEST METHOD | ROCKWELL |
| BYFR | TEETH HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| BYGF | TOOTH PITCH | 0.750 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1045 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE |
| NMBR | QUANTITY | 1 |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-493-1887, 3020004931887 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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