AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Sprocket Wheel |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 01-034-4788 (010344788) |
| NCB Code | USA (01) |
| Manufacturer | Finmeccanica Spa Helicopters, Bell Helicopter Textron Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 204-010-768-3 | finmeccanica spa helicopters | sprocket wheel | RFQ |
| 204-010-768-003 | bell helicopter textron inc | sprocket wheel | RFQ |
| 204-010-768-3 | bell helicopter textron inc | sprocket wheel | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUH | SPLINE MINOR DIAMETER | 0.8125 INCHES MINIMUM AND 0.8140 INCHES MAXIMUM |
| AAUJ | SPLINE MAJOR DIAMETER | 0.9000 INCHES MINIMUM AND 0.9081 INCHES MAXIMUM |
| ABFF | FURNISHED ITEMS | GUIDE |
| ABHE | OUTSIDE DIAMETER | 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM |
| ABSA | SPLINE QUANTITY | 21 |
| AGJS | PITCH DIAMETER | 1.248 INCHES MINIMUM AND 1.268 INCHES MAXIMUM |
| AQPL | FACE WIDTH | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | INVOLUTE SPLINE |
| AXFG | SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| AXFH | SPLINE LENGTH | 0.450 INCHES NOMINAL |
| AXHQ | GROOVE QUANTITY | 1 |
| BDRB | GROOVE POSITION | IN CENTER |
| BDTX | SPLINE PITCH DIAMETER | 0.4219 INCHES MINIMUM AND 0.8438 INCHES MAXIMUM |
| BMHW | GUIDE TYPE | GROOVE |
| BSNP | SECURING METHOD | SLOTTED |
| BYFL | TEETH ROW QUANTITY | 1 |
| BYFN | TEETH QUANTITY PER ROW | 21 |
| BYFP | ASA STANDARD CHAIN NUMBER | B29.9-1958 |
| BYFQ | HARDNESS RATING TEST METHOD | NOT RATED |
| BYGF | TOOTH PITCH | 0.188 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | TOOTH FORM PER ASA B29.9-1958,MAXCUMULATIVE PITCH ERR 0.001 |
| MATT | MATERIAL | STEEL COMP 416 OR STEEL COMP 410 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 6,TYPE A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,CLASS 3,TYPE F,410 FED SPEC 2ND MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-01-034-4788, 3020010344788 | ||||
| 3020-01-365-3056 (3020013653056) | 3020-00-070-0020 (3020000700020) | 3040-01-186-3587 (3040011863587) | 3040-00-801-1038 (3040008011038) | |
| 3040-00-895-8194 (3040008958194) | 3020-01-415-4361 (3020014154361) | 3040-00-115-1702 (3040001151702) | 3040-00-969-4174 (3040009694174) | |
| 3040-01-545-9466 (3040015459466) | 3040-01-283-9721 (3040012839721) | 3020-01-520-7338 (3020015207338) | 3040-00-405-0688 (3040004050688) | |
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