The Tee,pipe to Tube, cataloged under National Stock Number 4730-00-378-7280, 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 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-378-7280 |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 TUBE COUPLING NUT W/SLEEVE |
| Nominal Pipe Size Accommodated | 0.375 INCHES SECOND END0.375 INCHES SECOND END IN |
| Connection Style | FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.188 INCHES NOMINAL SECOND END1.188 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.219 INCHES NOMINAL FIRST END1.219 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.375 INCHES SECOND END0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Thread Class | 3A FIRST END3A FIRST END A |
| Thread Quantity Per Inch | 18 SECOND END18 SECOND END |
| Material | STEEL COMP 316 BODY |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | NPTF SECOND ENDUNF FIRST 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 |
|---|---|
| MS20826-8K | 4/1 Identification reference U.S. Government activity |
NSN 4730-00-378-7280 is a Tee,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-00-932-0693. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-378-7280: Furnished Items and Quantity: 2 TUBE COUPLING NUT W/SLEEVE; Nominal Pipe Size Accommodated: 0.375 INCHES SECOND END0.375 INCHES SECOND END IN; Connection Style: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END. 20 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.