The Reducer,pipe, cataloged under National Stock Number 4730-01-433-2604, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Kalmar Solutions Ab. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-433-2604 |
| Primary Part Number | 26864426-204 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Kalmar Solutions Ab |
| Status | ACTIVE |
| 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 |
|---|---|
| 1877903-801 ITEM 30 | Kalmar Solutions Ab (SWE) |
| 26864426-204 PRIMARY | Kalmar Solutions Ab (SWE) |
| Reference | Meaning |
|---|---|
| 1877903-801 | D/9 Drawing number reference only Cargotec Sweden Ab - Macgregor Cranes |
| 1877903-801 ITEM 30 | 5/9 Secondary reference Cargotec Sweden Ab - Macgregor Cranes |
| 26864426-204 | 3/9 Design control — primary reference Cargotec Sweden Ab - Macgregor Cranes |
NSN 4730-01-433-2604 is a Reducer,pipe, manufactured by Kalmar Solutions Ab, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-433-2604 has 2 manufacturer part numbers on file: 1877903-801 ITEM 30 (Kalmar Solutions Ab), 26864426-204 (Kalmar Solutions Ab).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-433-7145. Verify interchangeability with system specifications before substitution.
Key specifications for 26864426-204: End Item Identification: OIL TANK ASSY. STRATEGIC SEALIFT CONVERSION SHIPS CLASS.. 0 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.