The Collar,shaft, cataloged under National Stock Number 3040-01-436-7728, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Palfinger Marine Usa, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-436-7728 |
| Primary Part Number | D406846-03 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Palfinger Marine Usa, Llc |
| Status | ACTIVE |
| Securing Hole Type and Location | UNTHREADED ALL HOLES |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 50.0 MILLIMETERS NOMINAL MM |
| Hole Diameter and Location | 5.0 MILLIMETERS NOMINAL ALL HOLES MM |
| Angle Between Centerlines of Securing Holes in Deg | 180.0 |
| Securing Hole Quantity | 2 |
| Bore Diameter | 26.00 MILLIMETERS NOMINAL MM |
| Material | STEEL CORROSION RESISTING |
| Thickness | 15.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| D406846-03 PRIMARY | Palfinger Marine Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| D406846 NO. 3 | 5/9 Secondary reference U.S. Government activity |
| D406846 3 | C/1 Advisory reference — outside the item-of-supply concept Palfinger Marine Usa, Llc |
| 406846 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-436-7728 is a Collar,shaft, manufactured by Palfinger Marine Usa, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-436-7728 has 1 manufacturer part number on file: D406846-03 (Palfinger Marine Usa, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-569-8300. Verify interchangeability with system specifications before substitution.
Key specifications for D406846-03: Securing Hole Type and Location: UNTHREADED ALL HOLES; Style Designator: PLAIN ROUND; Outside Diameter: 50.0 MILLIMETERS NOMINAL MM; Hole Diameter and Location: 5.0 MILLIMETERS NOMINAL ALL HOLES MM. 9 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.