The Worm Shaft, cataloged under National Stock Number 3040-00-760-0751, 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 28 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 | 3040-00-760-0751 |
| Primary Part Number | 7600751 |
| 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 | TRACKING ANTENNA,FIRE CONTROL SYSTEM,ANY ACCEPTABLE |
| Worm Body Length | 0.812 INCHES NOMINAL IN |
| Worm Thread Lead | 0.2618 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763, CLASS 7, TYPE A FED SPEC SINGLE MATERIAL RESPONSE |
| Worm Pitch Diameter | 0.5000 INCHES NOMINAL IN |
| Worm Outside Diameter | 0.5834 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.2398 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.2398 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.2498 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 0.2498 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 0.312 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 0.312 INCHES NOMINAL SECOND END FIRST PORTION IN |
| End Similarity | NOT IDENTICAL |
| Surface Treatment | PASSIVATE |
| Worm Thread Section Length | 0.812 INCHES NOMINAL IN |
| Worm Helix Angle | 9 DEG 28 MIN |
| Material | STEEL |
| Worm Thread Quantity | 2 |
| Worm Thread Direction | RIGHT-HAND |
| Worm Pressure Angle in Deg | 20.000 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.062 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Length | 0.062 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Length | 0.156 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Straight Unthreaded Length | 0.814 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Length | 1.022 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Length | 1.056 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 |
|---|---|
| 7600751 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 3040-00-760-0751 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 3040-00-760-0751 has 1 manufacturer part number on file: 7600751 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7600751: Shaft Location: BOTH ENDS OF WORM; FSC Application Data: TRACKING ANTENNA,FIRE CONTROL SYSTEM,ANY ACCEPTABLE; Worm Body Length: 0.812 INCHES NOMINAL IN; Worm Thread Lead: 0.2618 INCHES NOMINAL IN. 28 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.