The Tee,tube, cataloged under National Stock Number 4730-00-407-6575, 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 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-407-6575 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,LIGHT BROWN MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS |
| Connection Style | FLARELESS (TUBE) SECOND END BULKHEADFLARELESS (TUBE) SECOND END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE SECOND END BULKHEADTHREADED EXTERNAL TUBE SECOND END BULKHEAD |
| Material Document and Classification | QQ-A-367,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES THIRD END0.375 INCHES SECOND END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.070 INCHES MINIMUM AND 1.070 INCHES MINIMUM AND 1.125 INCHES MAXIMUM FIRST END1.125 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.086 INCHES MINIMUM AND 1.086 INCHES MINIMUM AND 1.391 INCHES MAXIMUM THIRD END1.391 INCHES MAXIMUM THIRD END IN |
| Leg Length | 1.711 INCHES MINIMUM AND 1.711 INCHES MINIMUM AND 1.760 INCHES MAXIMUM SECOND END1.760 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END0.438 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END BULKHEAD0.562 INCHES SECOND END BULKHEAD IN |
| Nominal Thread Size | 0.562 INCHES THIRD END0.562 INCHES THIRD END IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | AERONAUTICAL FLUID SECOND RESPONSE |
| Media for Which Designed | AERONAUTICAL FLUID SECOND RESPONSEHYDRAULIC FLUID FIRST RESPONSE |
| Thread Class | 3A ALL ENDS3A ALL ENDS A |
| Thread Class | 3A SECOND END BULKHEAD3A SECOND END BULKHEAD A |
| Material | ALUMINUM ALLOY 7075 OR ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END BULKHEADUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| CVC4297W060406 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-407-6575 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-407-6575: Surface Treatment Document and Classification: MIL-A-8625,TY 2,LIGHT BROWN MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS; Connection Style: FLARELESS (TUBE) SECOND END BULKHEADFLARELESS (TUBE) SECOND END BULKHEAD; Connection Type: THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS. 25 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.