The Shaft,shouldered, cataloged under National Stock Number 3040-01-173-4638, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-173-4638 |
| Primary Part Number | 7-768-001617 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Grove U.s. Llc Dba Grove Us Llc |
| Status | ACTIVE |
| Second End External Thread Length | 2.375 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.6250 INCHES NOMINAL IN |
| Second End Diameter | 0.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 0.625 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 0.500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL COMP 1020 |
| 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 |
|---|---|
| 7-768-001617 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
| Reference | Meaning |
|---|---|
| B7-768-001617 | D/9 Drawing number reference only Grove U.s. Llc Dba Grove Us Llc |
NSN 3040-01-173-4638 is a Shaft,shouldered, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-173-4638 has 1 manufacturer part number on file: 7-768-001617 (Grove U.s. Llc Dba Grove Us Llc).
Key specifications for 7-768-001617: Second End External Thread Length: 2.375 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 0.6250 INCHES NOMINAL IN; Second End Diameter: 0.5000 INCHES NOMINAL IN. 10 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.