The Tee,tube, cataloged under National Stock Number 4730-01-724-0668, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-724-0668 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 3 TUBE COUPLING NUT W/SLEEVE |
| Surface Treatment Document and Classification | SAE-AMS2700, METHOD 1, TYPE 6 OR 7 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.3750 INCHES THIRD END IN |
| Nominal Thread Size | 0.7500 INCHES SECOND END IN |
| Nominal Thread Size | 0.7500 INCHES FIRST END IN |
| Nominal Thread Size | 0.5625 INCHES THIRD END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Quantity Per Inch | 16 SECOND END |
| Thread Quantity Per Inch | 16 FIRST END |
| Thread Quantity Per Inch | 18 THIRD END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| MS51811-10SS | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-01-724-0668 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-724-0668: Furnished Items and Quantity: 3 TUBE COUPLING NUT W/SLEEVE; Surface Treatment Document and Classification: SAE-AMS2700, METHOD 1, TYPE 6 OR 7 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARELESS (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 17 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.