The Bushing,pipe, cataloged under National Stock Number 4730-01-515-1065, 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 Mcmaster-Carr Supply Co. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-515-1065 |
| Primary Part Number | 4638K574 |
| Item Name | Bushing,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Internal Screw Thread Series Designator | NPT |
| Application/function | USED FOR AIR, OIL, WATER OR SATURATED STEAM |
| Internal Thread Direction | RIGHT-HAND |
| Style Designator | OUTSIDE HEXAGON |
| Specification/standard Data | 81346-ASTM A126 CLASS A PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 80204-B1.20.1-B16.14-B16.4 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| External Screw Thread Series Designator | NPT |
| External Thread Size | 1-1/2-11-1/2 |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 4638K574 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| ASTM A126 CLASS A | 5/1 Secondary reference U.S. Government activity |
| ASME B16.4 | 5/1 Secondary reference U.S. Government activity |
| ANSI/ASME B1.20.1 | 5/1 Secondary reference U.S. Government activity |
| ASME B16.14 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-515-1065 is a Bushing,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-515-1065 has 1 manufacturer part number on file: 4638K574 (Mcmaster-Carr Supply Co).
Key specifications for 4638K574: Internal Screw Thread Series Designator: NPT; Application/function: USED FOR AIR, OIL, WATER OR SATURATED STEAM; Internal Thread Direction: RIGHT-HAND; Style Designator: OUTSIDE HEXAGON. 11 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.