The Tee,tube, cataloged under National Stock Number 4730-01-291-8486, 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 12 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-291-8486 |
| 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 |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES ALL ENDS IN |
| Leg Length | 0.844 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Specification/standard Data | 96906-MS51811 GOVERNMENT STANDARD AND 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 22B FIGURE |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL 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 |
|---|---|
| J512 | 5/9 Secondary reference U.S. Government activity |
| 3JBU-S | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| 3-3-3 080401CA | 5/1 Secondary reference Sae International Dba Sae International |
| MS51811-32 | 5/9 Secondary reference U.S. Government activity |
| MIL-F-18866 | 5/9 Secondary reference U.S. Government activity |
| MS51811-2 | 2/2 Government specification standardization U.S. Government activity |
| 3-3-3 080401CA | 5/9 Secondary reference U.S. Government activity |
| J512 | 5/1 Secondary reference Sae International Dba Sae International |
| 3JBU-S | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
NSN 4730-01-291-8486 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-291-8486: Furnished Items and Quantity: 3 TUBE COUPLING NUT W/SLEEVE; Connection Style: FLARELESS (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.188 INCHES ALL ENDS IN. 12 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.