The Worm Shaft, cataloged under National Stock Number 3040-00-573-7762, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Electric Company. 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 | 3040-00-573-7762 |
| Primary Part Number | 361C637PC2 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Teeth Hardness Rating | 104.0 ROCKWELL B MINIMUM AND 108.0 ROCKWELL B MAXIMUM |
| Worm Body Length | 3.380 INCHES NOMINAL IN |
| Worm Thread Lead | 0.6283 INCHES NOMINAL IN |
| Thread Length | 0.620 INCHES NOMINAL FIRST END FIFTH PORTION IN |
| Material Document and Classification | QQ-S-624, COMP 4140 FED SPEC SINGLE MATERIAL RESPONSE |
| Spline Major Diameter | 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM SECOND END FIFTH PORTION IN |
| Worm Pitch Diameter | 2.200 INCHES NOMINAL IN |
| Worm Outside Diameter | 2.598 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN |
| Straight Unthreaded Section Diameter | 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM SECOND END FIFTH PORTION IN |
| Straight Unthreaded Section Diameter | 1.365 INCHES MINIMUM AND 1.370 INCHES MAXIMUM SECOND END FOURTH PORTION IN |
| Straight Unthreaded Section Diameter | 1.3745 INCHES MINIMUM SECOND END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 1.3781 INCHES MINIMUM AND 1.3785 INCHES MAXIMUM SECOND END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 1.410 INCHES NOMINAL FIRST END FOURTH PORTION IN |
| Straight Unthreaded Section Diameter | 1.5749 INCHES MINIMUM AND 1.5753 INCHES MAXIMUM FIRST END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 1.660 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 1.660 INCHES NOMINAL SECOND END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 1.840 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Unthreaded Section Keyway Depth | 0.100 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Unthreaded Section Keyway Depth | 0.140 INCHES NOMINAL SECOND END THIRD PORTION IN |
| End Similarity | NOT IDENTICAL |
| Shaft Hardness Rating | 104.0 ROCKWELL B MINIMUM AND 108.0 ROCKWELL B MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Worm Thread Section Length | 3.380 INCHES NOMINAL IN |
| Shaft Thread Direction | LEFT-HAND FIRST END FIFTH PORTION |
| Worm Helix Angle | 5 DEG 11 MIN 39.95 SEC |
| Material | STEEL COMP 4140 |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | LEFT-HAND |
| Unthreaded Section Keyway Width | 0.3200 INCHES NOMINAL FIRST END THIRD 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 |
|---|---|
| 361C637PC2 PRIMARY | General Electric Company (USA) |
NSN 3040-00-573-7762 is a Worm Shaft, manufactured by General Electric Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-573-7762 has 1 manufacturer part number on file: 361C637PC2 (General Electric Company).
Key specifications for 361C637PC2: Shaft Location: BOTH ENDS OF WORM; Teeth Hardness Rating: 104.0 ROCKWELL B MINIMUM AND 108.0 ROCKWELL B MAXIMUM; Worm Body Length: 3.380 INCHES NOMINAL IN; Worm Thread Lead: 0.6283 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.