The Bushing,pipe, cataloged under National Stock Number 4730-01-442-0616, 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 W. & O. Supply, Inc. Div Charleston. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-442-0616 |
| Primary Part Number | 603-157-448 |
| Item Name | Bushing,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | W. & O. Supply, Inc. Div Charleston |
| Status | ACTIVE |
| Internal Screw Thread Series Designator | NPT |
| Internal Thread Direction | RIGHT-HAND |
| Style Designator | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| Material Document and Classification | ASTM B61 ASSN STD 1ST MATERIAL RESPONSE AND ASTM B62 ASSN STD 2ND MATERIAL RESPONSE |
| External Screw Thread Series Designator | NPT |
| External Thread Size | 2-1/2-8 |
| Internal Thread Size | 1-1/2-11-1/2 |
| Material | COPPER ALLOY 922 OR COPPER ALLOY 836 |
| 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 |
|---|---|
| 603-157-448 PRIMARY | W. & O. Supply, Inc. Div Charleston (USA) |
NSN 4730-01-442-0616 is a Bushing,pipe, manufactured by W. & O. Supply, Inc. Div Charleston, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-442-0616 has 1 manufacturer part number on file: 603-157-448 (W. & O. Supply, Inc. Div Charleston).
Key specifications for 603-157-448: Internal Screw Thread Series Designator: NPT; Internal Thread Direction: RIGHT-HAND; Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL); Material Document and Classification: ASTM B61 ASSN STD 1ST MATERIAL RESPONSE AND ASTM B62 ASSN STD 2ND MATERIAL RESPONSE. 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.