The Coupling,pipe, cataloged under National Stock Number 4730-01-440-5344, 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 Robert Bosch 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-440-5344 |
| Primary Part Number | 1 533 359 018 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Robert Bosch Llc |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | GASKET SEAL (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Thread Class | 2B SECOND END |
| Thread Quantity Per Inch | 11-1/2 FIRST END |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| 1 533 359 018 PRIMARY | Robert Bosch Llc (USA) |
| Reference | Meaning |
|---|---|
| 1 533 359 018 | 5/9 Secondary reference Bosch Automation Technology |
NSN 4730-01-440-5344 is a Coupling,pipe, manufactured by Robert Bosch Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-440-5344 has 1 manufacturer part number on file: 1 533 359 018 (Robert Bosch Llc).
Key specifications for 1 533 359 018: Connection Style: PLAIN (PIPE) FIRST END; Connection Style: GASKET SEAL (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 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.