The Gearshaft,helical, cataloged under National Stock Number 3040-01-438-0664, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sumitomo Machinery Corp of America. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Sumitomo Machinery Corp of America (CAGE 0L5F0) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-438-0664 |
| Primary Part Number | EPG0517101 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sumitomo Machinery Corp of America |
| 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 |
|---|---|
| EPG0517101 PRIMARY | Sumitomo Machinery Corp of America (USA) |
| Reference | Meaning |
|---|---|
| PZOC0417 | D/9 Drawing number reference only Sumitomo Machinery Corp of America |
NSN 3040-01-438-0664 is a Gearshaft,helical, manufactured by Sumitomo Machinery Corp of America, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-438-0664 has 1 manufacturer part number on file: EPG0517101 (Sumitomo Machinery Corp of America).
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-438-0671, 3040-01-438-2692, 3020-01-438-2697. Verify interchangeability with system specifications before substitution.
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.