The Bushing,pipe, cataloged under National Stock Number 4730-01-579-5772, 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 Naval Sea Systems Command. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-579-5772 |
| Primary Part Number | 261-8337818 ITEM NO. 8 |
| Item Name | Bushing,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Working Temp and Service Type | 366.0 DEG FAHRENHEIT NOMINAL STEAM |
| Internal Screw Thread Series Designator | NPT |
| Internal Thread Direction | RIGHT-HAND |
| Style Designator | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| External Screw Thread Series Designator | NPT |
| External Thread Size | 1/2-14 |
| Internal Thread Size | 1/8-27 |
| Material | STEEL CORROSION RESISTING |
| Working Pressure and Service Type | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM STEAM LBS |
| External Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| 261-8337818 ITEM NO. 8 PRIMARY | Naval Sea Systems Command (USA) |
| 4452K164 | Mcmaster-Carr Supply Co (USA) |
NSN 4730-01-579-5772 is a Bushing,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-579-5772 has 2 manufacturer part numbers on file: 261-8337818 ITEM NO. 8 (Naval Sea Systems Command), 4452K164 (Mcmaster-Carr Supply Co).
Key specifications for 261-8337818 ITEM NO. 8: Working Temp and Service Type: 366.0 DEG FAHRENHEIT NOMINAL STEAM; Internal Screw Thread Series Designator: NPT; Internal Thread Direction: RIGHT-HAND; Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL). 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.