The Shaft,shouldered, cataloged under National Stock Number 3040-01-425-6616, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Appleton Marine Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-425-6616 |
| Primary Part Number | MMD-2308 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Largest Step Diameter | 1.5000 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNALLY THREADED AND INDENTED FLAT KEYWAY |
| Material | STEEL |
| 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 |
|---|---|
| MMD-2308 PRIMARY | Appleton Marine Inc (USA) |
| AMD-1088 IT-118 | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| AMD-1088 | D/9 Drawing number reference only Appleton Marine Inc |
NSN 3040-01-425-6616 is a Shaft,shouldered, manufactured by Appleton Marine Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-425-6616 has 2 manufacturer part numbers on file: MMD-2308 (Appleton Marine Inc), AMD-1088 IT-118 (Appleton Marine Inc).
Key specifications for MMD-2308: Largest Step Diameter: 1.5000 INCHES NOMINAL IN; First End Style: EXTERNAL THREADED; Overall Length: 16.375 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL. 5 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.