The Tee,tube, cataloged under National Stock Number 4730-01-394-1861, 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 24 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-394-1861 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SWIVEL NUT AND 1 RETAINING WIRE |
| Surface Treatment Document and Classification | AMS2486 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | BEADED TUBE FIRST END |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) THIRD END |
| Connection Style | BEADED TUBE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE THIRD END |
| Material Document and Classification | AMS4965 FED SPEC SINGLE MATERIAL RESPONSE AND ME+56060 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Leg Length | 1.719 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.719 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.960 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.563 INCHES THIRD END IN |
| Seat Angle | 32.0 DEGREES THIRD END |
| Surface Treatment | PHOSPHATE FLUORIDE OVERALL |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSE |
| Thread Class | 3B THIRD END |
| Thread Quantity Per Inch | 18 THIRD END |
| Material | TITANIUM ALLOY BODY |
| Material | TITANIUM ALLOY NUT |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END |
| 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 |
|---|---|
| 7D0439T121206 | 5/2 Secondary reference U.S. Government activity |
| 921375 | D/9 Drawing number reference only Advanced Metal Components Inc |
| 4PHS320-121206 | 3/9 Design control — primary reference Advanced Metal Components Inc |
NSN 4730-01-394-1861 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-394-1863. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-394-1861: Furnished Items and Quantity: 1 SWIVEL NUT AND 1 RETAINING WIRE; Surface Treatment Document and Classification: AMS2486 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: BEADED TUBE FIRST END; Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) THIRD END. 24 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.