The Tee,tube, cataloged under National Stock Number 4730-01-280-8341, 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 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-280-8341 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 3 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | COMPRESSION (TUBE) ALL ENDS |
| Seat Nominal Radius | 0.620 INCHES SECOND END IN |
| Seat Nominal Radius | 0.620 INCHES FIRST END IN |
| Seat Nominal Radius | 0.620 INCHES THIRD END IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Leg Length | 1.170 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.170 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.100 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.688 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES THIRD END IN |
| Nominal Thread Size | 0.688 INCHES SECOND END IN |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | COPPER ALLOY 360 OR COPPER ALLOY 345 OR COPPER ALLOY 377 OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | UNEF THIRD END |
| 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 |
|---|---|
| 164CA-8-8-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-280-8341 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-280-8341: Furnished Items and Quantity: 3 TUBE COUPLING NUT W/SLEEVE; Connection Style: COMPRESSION (TUBE) ALL ENDS; Seat Nominal Radius: 0.620 INCHES SECOND END IN; Seat Nominal Radius: 0.620 INCHES FIRST END IN. 22 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.