The Nut,tube Coupling, cataloged under National Stock Number 4730-01-706-0186, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-706-0186 |
| Primary Part Number | AS1734D16 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Shoulder Step Width | 0.070 INCHES NOMINAL IN |
| Shoulder Width | 0.039 INCHES NOMINAL IN |
| Thread Series | UNF |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.500 INCHES IN |
| Nut Diameter | 1.652 INCHES MINIMUM IN |
| Specification/standard Data | NAS AS1734 NATIONAL STD/SPEC |
| Nut Height | 0.424 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 2014 OVERALL |
| Fabrication Method | MACHINED |
| Smallest Inside Diameter | 1.284 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 1.000 INCHES IN |
| Shoulder Seat Diameter | 1.386 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AS1734D16 PRIMARY | Sae International Dba Sae International (USA) |
NSN 4730-01-706-0186 is a Nut,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-706-0186 has 1 manufacturer part number on file: AS1734D16 (Sae International Dba Sae International).
Key specifications for AS1734D16: Lubrication: DRY FILM LUBRICANT; Shoulder Step Width: 0.070 INCHES NOMINAL IN; Shoulder Width: 0.039 INCHES NOMINAL IN; Thread Series: UNF. 19 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.