The Bushing,pipe, cataloged under National Stock Number 4730-01-515-6773, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-515-6773 |
| Primary Part Number | 6391450 FIND 038 |
| Item Name | Bushing,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Internal Screw Thread Series Designator | NPT |
| Internal Thread Direction | RIGHT-HAND |
| Criticality Code Justification | FEAT |
| Style Designator | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| External Screw Thread Series Designator | NPT |
| External Thread Size | 1-11-1/2 |
| Surface Treatment | ZINC |
| Internal Thread Size | 1/2-14 |
| Material | IRON CAST |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 6391450 FIND 038 PRIMARY | Naval Sea Systems Command (USA) |
| 4638K663 | Mcmaster-Carr Supply Co (USA) |
| 4638K663 | Mcmaster-Carr Supply Company (USA) |
| Reference | Meaning |
|---|---|
| 6391450 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-515-6773 is a Bushing,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-515-6773 has 3 manufacturer part numbers on file: 6391450 FIND 038 (Naval Sea Systems Command), 4638K663 (Mcmaster-Carr Supply Co), 4638K663 (Mcmaster-Carr Supply Company).
Key specifications for 6391450 FIND 038: Internal Screw Thread Series Designator: NPT; Internal Thread Direction: RIGHT-HAND; Criticality Code Justification: FEAT; 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.