The Worm Shaft, cataloged under National Stock Number 3040-00-211-4081, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Goodrich Corporation Dba Goodrich Corp, a New York Corp. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-211-4081 |
| Primary Part Number | 19538 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Goodrich Corporation Dba Goodrich Corp, a New York Corp |
| Status | ACTIVE |
| Shaft Location | ONE END OF WORM |
| Worm Outside Diameter | 0.2900 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.219 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 0.312 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.374 INCHES NOMINAL FIRST END FIFTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.437 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 0.748 INCHES NOMINAL FIRST END FOURTH PORTION IN |
| Unthreaded Section Keyway Depth | 0.1250 INCHES NOMINAL FIRST END FIFTH PORTION IN |
| Unthreaded Section Keyway Depth | 0.1250 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Surface Treatment | OXIDE |
| Worm Thread Section Length | 0.345 INCHES NOMINAL IN |
| Material | STEEL |
| Worm Thread Direction | RIGHT-HAND |
| Unthreaded Section Keyway Width | 0.0625 INCHES NOMINAL FIRST END FIFTH PORTION IN |
| Unthreaded Section Keyway Width | 0.0625 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.250 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Length | 0.290 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Length | 0.442 INCHES NOMINAL FIRST END FIFTH PORTION IN |
| Straight Unthreaded Length | 0.442 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Straight Unthreaded Length | 0.481 INCHES NOMINAL FIRST END FOURTH PORTION IN |
| 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 |
|---|---|
| 19538 PRIMARY | Goodrich Corporation Dba Goodrich Corp, a New York Corp (USA) |
| 19538-01 PRIMARY | Safran Power Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 19538-01 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
| 19538 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
| 19538 | 5/9 Secondary reference Ge Aviation Systems Llc |
NSN 3040-00-211-4081 is a Worm Shaft, manufactured by Goodrich Corporation Dba Goodrich Corp, a New York Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-211-4081 has 2 manufacturer part numbers on file: 19538 (Goodrich Corporation Dba Goodrich Corp, a New York Corp), 19538-01 (Safran Power Usa Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4410-01-197-7201, 6680-01-361-8785. Verify interchangeability with system specifications before substitution.
Key specifications for 19538: Shaft Location: ONE END OF WORM; Overall Length: 2.245 INCHES NOMINAL IN; Worm Outside Diameter: 0.2900 INCHES NOMINAL IN; Straight Unthreaded Section Diameter: 0.219 INCHES NOMINAL FIRST END FIRST PORTION IN. 21 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.