The Tee,pipe to Tube, cataloged under National Stock Number 4730-01-302-1539, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-302-1539 |
| Primary Part Number | 20SBTX-B |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | PLAIN (PIPE) THIRD END |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| 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 | 1.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES SECOND END IN |
| Leg Length | 2.375 INCHES NOMINAL THIRD END IN |
| Leg Length | 2.062 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.062 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.625 INCHES SECOND END IN |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Nominal Thread Size | 1.250 INCHES THIRD END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 5D FIGURE |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPTF THIRD END |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF 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 |
|---|---|
| 2030-20-20B | Danfoss Power Solutions II, Llc (USA) |
| 20SBTX-B PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| SAE J514/1 20-20-20 070425BA PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
| J514 | 5/9 Secondary reference U.S. Government activity |
| SAE-J514 | 5/9 Secondary reference Sae International Dba Sae International |
| 20SBTX-B | 5/9 Secondary reference Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) |
| SAE-J514/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
| SAE J514 20-20-20 070425BA | 5/9 Secondary reference Sae International Dba Sae International |
| 20SBTX-B | 5/9 Secondary reference U.S. Government activity |
| 20-20-20 070425BA | 3/9 Design control — primary reference U.S. Government activity |
| 20-20-20 070425BA | 5/9 Secondary reference Sae International Dba Sae International |
NSN 4730-01-302-1539 is a Tee,pipe to Tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-302-1539 has 3 manufacturer part numbers on file: 2030-20-20B (Danfoss Power Solutions II, Llc), 20SBTX-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), SAE J514/1 20-20-20 070425BA (Sae International Dba Sae International).
Key specifications for 20SBTX-B: Furnished Items and Quantity: 2 TUBE COUPLING NUT W/SLEEVE; Connection Style: PLAIN (PIPE) THIRD END; Connection Style: FLARED (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END. 26 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.