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321-802-5889
321-733-7477
Helical gearshaft nsn 3040000178674. The normal diametral pitch is 12
Part Information
Usteel; no of teeth 27; normal diametral pitch 12; normal pressure angle 20 deg; pitch diameter 2.4354 in.; normal circ pitch (ref).2618 in.; whole depth .200 in.; helix angle 22.5 deg; helix lead (rh) 18.4684 in.; addendum .0833 in.; normal chordal thkns .13082 in.; root diameter (ref) 2.202 in.; base cir diameter (ref) 2.2659 in.; permissible backlash .002 in. To .004 in. When meshing with master gear which is to standard size and at standard center distance of 2.435 in. Or 3.653 in.; heat treat to rc 27-34
| Part Number | RNVC | RNAAC | DAC | CAGE |
|---|---|---|---|---|
| 13206E0626 | 2 | CT | 1 | 97403 |
| ERC335 | 2 | ZZ | 5 | 1H6M3 |
| ERC335 | 2 | XX | X | 02978 |
| 13206E0626 | 2 | CT | 1 | 1ML14 |
| ERC335 | 2 | XX | X | 81336 |
| ERC335 | 9 | CT | 5 | 50803 |
| 3040000178674 | 9 | YP | 9 | SCY13 |
| 13206E0626 | 9 | CT | 1 | 28265 |
| Code | Definition |
|---|---|
| FN | Factory New. Parts manufactured by then OEM and includes manufacturer certification. |
| NE | New. Parts manufactured by the OEM. May include manufacturer certification or company certification. |
| NS | New Surplus. New material item purchased from excess inventory. |
| OH | Overhauled. Product has been rebuilt and tested in accordance with the manufacturer's specifications by a repair shop (MRO). |
| SV | Serviceable product. |
| AR | As Removed. Product removed from aircraft or platform with no guarentee on the functionality of the part. |
| RP | Repairable. Product can be repaired by a MRO and be given a FAA 8130 or EASA Form 1 certification. |