The Tee,pipe to Tube, cataloged under National Stock Number 4730-01-130-8523, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mid-State Sales, Inc. Div Defense Products Group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-130-8523 |
| Primary Part Number | 72X4 |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mid-State Sales, Inc. Div Defense Products Group |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | COMPRESSION (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) THIRD END |
| Connection Style | COMPRESSION (TUBE) SECOND END |
| Seat Nominal Radius | 0.062 INCHES FIRST END IN |
| Seat Nominal Radius | 0.062 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL PIPE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.620 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.750 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.620 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Nominal Thread Size | 0.125 INCHES THIRD END IN |
| Specification/standard Data | 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | 14B FIGURE |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 24 SECOND END |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPTF THIRD END |
| Thread Series Designator | UNS FIRST END |
| Thread Series Designator | UNS 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 |
| Part Number | Manufacturer |
|---|---|
| 72X4 PRIMARY | Mid-State Sales, Inc. Div Defense Products Group (USA) |
| 1025614 PRIMARY | Electromechanical Systems, Inc. (USA) |
| 72X4 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| SAE J512 4-4-2 060425BA PRIMARY | Sae International Dba Sae International (USA) |
| SAE J512 4-2 060425BA | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 72X4 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 4-2 060425BA | 5/9 Secondary reference Sae International Dba Sae International |
| 4-2 060425BA | 5/9 Secondary reference U.S. Government activity |
| SAE-J512 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 172C-4-2 | 3/2 Design control — primary reference U.S. Government activity |
| J512 | 5/1 Secondary reference Sae International Dba Sae International |
| 72X4 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| J512 | 5/9 Secondary reference U.S. Government activity |
| SAE J512 4-2 060425BA | 5/9 Secondary reference U.S. Government activity |
| 72F1/4X1/8 | 5/9 Secondary reference Imperial |
NSN 4730-01-130-8523 is a Tee,pipe to Tube, manufactured by Mid-State Sales, Inc. Div Defense Products Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-130-8523 has 5 manufacturer part numbers on file: 72X4 (Mid-State Sales, Inc. Div Defense Products Group), 1025614 (Electromechanical Systems, Inc.), 72X4 (Danfoss Power Solutions II, Llc), SAE J512 4-4-2 060425BA (Sae International Dba Sae International), SAE J512 4-2 060425BA (Sae International Dba Sae International).
Key specifications for 72X4: Furnished Items and Quantity: 2 TUBE COUPLING NUT W/SLEEVE; Connection Style: COMPRESSION (TUBE) FIRST END; Connection Style: PLAIN (PIPE) THIRD END; Connection Style: COMPRESSION (TUBE) SECOND END. 29 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.