The Tee,tube, cataloged under National Stock Number 4730-00-808-6668, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Military Petroleum and Water Systems Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-808-6668 |
| Primary Part Number | MS51523B4 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Petroleum and Water Systems Inc |
| Status | CANCELLED |
| Nondefinitive Spec/std Data | 9B FIGURE |
| Leg Length | 0.890 INCHES NOMINAL SECOND END IN |
| Thread Class | 2A THIRD END A |
| Thread Class | 2A SECOND END A |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Series Designator | UNF ALL ENDS |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Surface Treatment Document and Classification | J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Leg Length | 1.000 INCHES NOMINAL FIRST END IN |
| Connection Style | FLARED (TUBE) THIRD END |
| Material | STEEL OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Thread Class | 2B FIRST END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Leg Length | 0.890 INCHES NOMINAL THIRD END IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51523B4 | Military Petroleum and Water Systems Inc (USA) |
| 4R6XS | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
| 4R6BX | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| MS51523B4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 4R6XS | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 4R6XS | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 19KP215 | Oshkosh Defense Llc (USA) |
| MIL-DTL-18866 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-F-18866 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 19KP215 | Oshkosh Corp (USA) |
| 4R6BX | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 9446110404 | Appleton Marine Inc (USA) |
| 9410330 | International Harvester Co Agricultural Equipment Div (USA) |
| 9410330 | Navistar International Corporation Dba Navistar (USA) |
| 13K3 | Clark Equipment Co (USA) |
| 520572 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 60244-90161 | Textron Systems Corporation Dba Textron Systems Corp (USA) |
NSN 4730-00-808-6668 is a Tee,tube, manufactured by Military Petroleum and Water Systems Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-808-6668 has 17 cross-referenced part numbers: MS51523B4 (Military Petroleum and Water Systems Inc), 4R6XS (Parker Hannifin Corporation Div Aerospace Group Headquarters), 4R6BX (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), MS51523B4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 4R6XS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division) and 12 more.
There is 1 known substitute for 4730-00-808-6668: 4730-00-618-5382. Verify interchangeability with system specifications before substitution.
Key specifications for MS51523B4: Nondefinitive Spec/std Data: 9B FIGURE; Leg Length: 0.890 INCHES NOMINAL SECOND END IN; Thread Class: 2A THIRD END A; Thread Class: 2A SECOND END A. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-808-6668 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.