The Tee,pipe to Tube, cataloged under National Stock Number 4730-01-019-6898, 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 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-019-6898 |
| Primary Part Number | 6STX-S |
| 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 |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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 |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR 66 UNS G12144 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.031 INCHES MINIMUM AND 1.094 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.031 INCHES MINIMUM AND 1.094 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM THIRD END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 33.0 DEGREES FIRST END |
| Seat Angle | 33.0 DEGREES SECOND END |
| Specification/standard Data | 81343-SAE J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51512B/CANCELED/ GOVERNMENT STANDARD |
| Nondefinitive Spec/std Data | 5D FIGURE AND E/8IN.TU SIZE IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Material | STEEL COMP 12L14 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 |
|---|---|
| 6STX-S PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 6-6-6 070425C PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 6STX-S | 5/9 Secondary reference U.S. Government activity |
| J514 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS51512B6 | 5/9 Secondary reference U.S. Government activity |
| J514 | 5/9 Secondary reference U.S. Government activity |
| 6-6-6 070425C | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-019-6898 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 4730-01-019-6898 has 2 manufacturer part numbers on file: 6STX-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 6-6-6 070425C (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-223-2506. Verify interchangeability with system specifications before substitution.
Key specifications for 6STX-S: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (PIPE) THIRD END; Connection Style: FLARED (TUBE) SECOND END; Connection Style: FLARED (TUBE) 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.