The Tee,tube, cataloged under National Stock Number 4730-01-398-8328, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-398-8328 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | SOCKET (TUBE) SECOND END |
| Connection Style | SOCKET (TUBE) THIRD END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE THIRD END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Leg Length | 1.093 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.125 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.093 INCHES NOMINAL SECOND END IN |
| Specification/standard Data | 80204-B16.18 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 5 TABLE |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B16.18 3/4 X 3/4 X 1/2 | 3/2 Design control — primary reference U.S. Government activity |
| B16.18 | 5/1 Secondary reference U.S. Government activity |
| ANSI B16.18-3/4 X 3/4 X 1/2 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-398-8328 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-398-8328: Connection Style: SOCKET (TUBE) SECOND END; Connection Style: SOCKET (TUBE) THIRD END; Connection Style: SOCKET (TUBE) FIRST END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END. 15 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.