The Gearshaft,helical, cataloged under National Stock Number 3040-00-017-8674, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is American Terra Vehicles Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-017-8674 |
| Primary Part Number | ERC335 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | American Terra Vehicles Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ERC335 | Renk America Llc Div Renk America (USA) |
| ERC335 PRIMARY | American Terra Vehicles Inc (USA) |
| 13206E0626 | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| ERC335 | 5/9 Secondary reference Deco-Grand Inc Sub of Grand Machining Co |
| 3040000178674 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 13206E0626 | 5/9 Secondary reference Hercules Engine Co Inc |
| ERC335 | 5/2 Secondary reference U.S. Government activity |
| 13206E0626 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-017-8674 is a Gearshaft,helical, manufactured by American Terra Vehicles Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-017-8674 has 3 manufacturer part numbers on file: ERC335 (Renk America Llc Div Renk America), ERC335 (American Terra Vehicles Inc), 13206E0626 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for ERC335: Special Features: STEEL;NO OF TEETH 27;NORMAL DIAMETRAL PITCH 12;NORMAL PRESSURE ANGLE 20 DEG;PITCH DIA 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 DIA (REF) 2.202 IN.;BASE CIR DIA (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 IN. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.