The Tee,tube, cataloged under National Stock Number 4730-00-477-9777, 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 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-477-9777 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) SECOND ENDFLARED (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END |
| Connection Style | FLARED (TUBE) THIRD ENDFLARED (TUBE) THIRD END |
| Union Joint Location | FIRST END |
| Connection Type | THREADED EXTERNAL TUBE THIRD ENDTHREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND ENDTHREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END0.375 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.922 INCHES NOMINAL THIRD END0.922 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.063 INCHES NOMINAL SECOND END1.063 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.797 INCHES NOMINAL FIRST END1.797 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END0.562 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END0.438 INCHES THIRD END IN |
| Seat Angle | 37.0 DEGREES THIRD END |
| Seat Angle | 37.0 DEGREES SECOND END37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES THIRD END37.0 DEGREES SECOND END |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Thread Class | 3A FIRST END3A FIRST END A |
| Thread Class | 3A THIRD END3A THIRD END A |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND ENDUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD ENDUNIFIED NATIONAL JOINT FINE (UNJF) SECOND 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 |
|---|---|
| CVC4252-6-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-477-9777 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-477-9777: Connection Style: FLARED (TUBE) SECOND ENDFLARED (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END; Connection Style: FLARED (TUBE) THIRD ENDFLARED (TUBE) THIRD END; Union Joint Location: FIRST END. 28 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.