The Worm Shaft, cataloged under National Stock Number 3040-00-851-1012, 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 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-851-1012 |
| Primary Part Number | 8587362 |
| 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 |
| FSC Application Data | TELESCOPE,PANORAMIC,INTEGRATED WITH FIRE CONTROL EQUIPMENT |
| Teeth Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM |
| Worm Body Length | 0.437 INCHES NOMINAL IN |
| Worm Thread Lead | 0.0357 INCHES NOMINAL IN |
| Thread Length | 0.280 INCHES NOMINAL EITHER END FIFTH PORTION IN |
| Worm Pitch Diameter | 0.3352 INCHES NOMINAL IN |
| Worm Outside Diameter | 0.356 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.156 INCHES NOMINAL EITHER END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 0.1717 INCHES NOMINAL EITHER END SIXTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.2360 INCHES NOMINAL EITHER END FOURTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.250 INCHES NOMINAL EITHER END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.310 INCHES NOMINAL EITHER END THIRD PORTION IN |
| Unthreaded Section Pin Hole Diameter | 0.0780 INCHES NOMINAL EITHER END SIXTH PORTION IN |
| End Similarity | NOT IDENTICAL |
| Shaft Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Screw Thread Series Designator | UNF EITHER END FIFTH PORTION |
| Worm Thread Section Length | 0.437 INCHES NOMINAL IN |
| Shaft Thread Direction | RIGHT-HAND EITHER END FIFTH PORTION |
| Worm Helix Angle | 1 DEG 57 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 | 0.093 INCHES NOMINAL EITHER END THIRD PORTION IN |
| Straight Unthreaded Length | 0.230 INCHES NOMINAL EITHER END FOURTH PORTION IN |
| Straight Unthreaded Length | 0.370 INCHES NOMINAL EITHER END SECOND PORTION IN |
| Straight Unthreaded Length | 0.446 INCHES NOMINAL EITHER 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 |
|---|---|
| 8587362 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 3040-00-851-1012 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 3040-00-851-1012 has 1 manufacturer part number on file: 8587362 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 8587362: Shaft Location: BOTH ENDS OF WORM; FSC Application Data: TELESCOPE,PANORAMIC,INTEGRATED WITH FIRE CONTROL EQUIPMENT; Teeth Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM; Worm Body Length: 0.437 INCHES NOMINAL IN. 29 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.