AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-350-4353 (003504353) |
| NCB Code | USA (00) |
| Manufacturer | Spalla Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 15.734 INCHES MINIMUM AND 15.734 INCHES MAXIMUM |
| AAWZ | COUNTERBORE DEPTH | 0.563 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| ABFF | FURNISHED ITEMS | COUNTERBORE |
| ABHE | OUTSIDE DIAMETER | 27.1562 INCHES MINIMUM AND 27.281 INCHES MAXIMUM |
| ABKG | BOLT CIRCLE DIAMETER | 14.500 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 13.062 INCHES MINIMUM AND 13.188 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 1.250 INCHES MINIMUM AND 1.313 INCHES MAXIMUM |
| AGGP | DRILLED HOLE DIAMETER | 0.515 INCHES NOMINAL |
| AGJS | PITCH DIAMETER | 25.038 INCHES NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 13 |
| AQPL | FACE WIDTH | 1.250 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 55.0 ROCKWELL C MINIMUM BODY AND 60.0 ROCKWELL C MAXIMUM BODY |
| BDYS | COUNTERBORE LOCATION | AA END |
| BFYT | HOLE LOCATION | LOCATED BETWEEN TEETH |
| BSNP | SECURING METHOD | DRILLED HOLE |
| BYFL | TEETH ROW QUANTITY | 1 |
| BYFN | TEETH QUANTITY PER ROW | 13 |
| BYFQ | HARDNESS RATING TEST METHOD | ROCKWELL |
| BYFR | TEETH HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM |
| BYGF | TOOTH PITCH | 6.590 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1345 AND STEEL COMP 9445 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-626,COMP FS1345 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-626,FS9445 FED SPEC 2ND MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | ENAMEL |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-350-4353, 3020003504353 | ||||
| 3030-01-150-3662 (3030011503662) | 3040-01-606-3617 (3040016063617) | 3020-01-622-0253 (3020016220253) | 3020-00-070-1696 (3020000701696) | |
| 3040-01-311-9985 (3040013119985) | 3020-01-477-1079 (3020014771079) | 3040-01-453-5146 (3040014535146) | 3040-01-455-2325 (3040014552325) | |
| 3040-00-370-0147 (3040003700147) | 3020-01-255-8757 (3020012558757) | 3020-00-359-4488 (3020003594488) | 3030-00-232-2496 (3030002322496) | |
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