The Tee,tube, cataloged under National Stock Number 4730-01-022-8223, 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 Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-01-022-8223 |
| Primary Part Number | MS51811-18 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Furnished Items and Quantity | 3 TUBE COUPLING NUT W/SLEEVE |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 12L14 OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Thread Series Designator | UN ALL ENDS |
| Maximum Operating Temp | 121.0 CELSIUS SINGLE RESPONSE DEGC |
| Leg Length | 1.580 INCHES NOMINAL ALL ENDS IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Thread Class | 2A ALL ENDS A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51811-18 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-18866 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 454124 | Ace Aviation Service, Inc (USA) |
| 454124 | General Motors Corp (USA) |
| MIL-F-18866 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-01-022-8223 is a Tee,tube, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-01-022-8223 has 5 cross-referenced part numbers: MS51811-18 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-18866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 454124 (Ace Aviation Service, Inc), 454124 (General Motors Corp), MIL-F-18866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 2 known substitutes for 4730-01-022-8223: 4730-00-263-5267, 5950-00-910-5840. Verify interchangeability with system specifications before substitution.
Key specifications for MS51811-18: Furnished Items and Quantity: 3 TUBE COUPLING NUT W/SLEEVE; Surface Treatment: CADMIUM OVERALL; Material: STEEL COMP 12L14 OVERALL; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES ALL ENDS IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-01-022-8223 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.