AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Gear Spur |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-434-8397 (004348397) |
| NCB Code | USA (00) |
| Manufacturer | Bell Helicopter Textron Inc, Lockheed Martin Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 47-620-424-1 | bell helicopter textron inc | gear spur | RFQ |
| 47-620-424-1 | lockheed martin corporation | gear spur | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| AGJS | PITCH DIAMETER | 2.3000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 23 |
| ANTP | BORE STYLE | W/COUNTERBORE BOTH ENDS |
| CQFM | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| CQFM | HARDNESS RATING | 90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM TEETH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.498 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 0.859 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.344 INCHES BOTH ENDS |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.358 INCHES BOTH ENDS |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 1.533 INCHES BOTH ENDS |
| MATT | MATERIAL | STEEL COMP 4620 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MS 6294 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | COPPER OVERALL |
| STYL | STYLE DESIGNATOR | HUBLESS |
| Relevant Components for NSN - 3020-00-434-8397, 3020004348397 | ||||
| 3040-00-690-1157 (3040006901157) | 3040-00-993-0548 (3040009930548) | 3040-01-355-9162 (3040013559162) | 3040-01-555-2993 (3040015552993) | |
| 3040-01-039-2087 (3040010392087) | 3040-01-086-0486 (3040010860486) | 3020-01-185-3044 (3020011853044) | 3010-01-146-1544 (3010011461544) | |
| 3020-00-793-6042 (3020007936042) | 3030-00-011-8747 (3030000118747) | 3020-00-967-3307 (3020009673307) | 3040-01-457-3535 (3040014573535) | |
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