The Worm Shaft, cataloged under National Stock Number 3040-00-698-5848, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-698-5848 |
| Primary Part Number | 7666211 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Section Shape | HEXAGON SECOND END THIRD PORTION |
| Worm Body Length | 2.781 INCHES NOMINAL IN |
| Worm Thread Lead | 0.049 INCHES NOMINAL IN |
| Worm Pitch Diameter | 0.049 INCHES NOMINAL IN |
| Worm Outside Diameter | 0.532 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.312 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.375 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.438 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 0.438 INCHES NOMINAL SECOND END FIRST PORTION IN |
| End Similarity | NOT IDENTICAL |
| Worm Helix Angle | 1 DEG 47 MIN |
| Material | STEEL CORROSION RESISTING |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | RIGHT-HAND |
| Worm Pressure Angle in Deg | 14.500 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.375 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Length | 0.375 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Length | 0.469 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Length | 0.687 INCHES NOMINAL SECOND END FIRST 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 |
|---|---|
| 7666211 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 7666211 | Superior Motion Controls, Inc. Dba Superior Motion Controls (USA) |
| Reference | Meaning |
|---|---|
| 7666211 | 5/9 Secondary reference U.S. Government activity |
| 7666211 | 5/9 Secondary reference Secs Inc |
NSN 3040-00-698-5848 is a Worm Shaft, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-698-5848 has 2 manufacturer part numbers on file: 7666211 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 7666211 (Superior Motion Controls, Inc. Dba Superior Motion Controls).
Key specifications for 7666211: Shaft Location: BOTH ENDS OF WORM; Section Shape: HEXAGON SECOND END THIRD PORTION; Worm Body Length: 2.781 INCHES NOMINAL IN; Worm Thread Lead: 0.049 INCHES NOMINAL 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.