The Nut Assembly,tube Coupling, cataloged under National Stock Number 4730-01-285-5138, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-285-5138 |
| Primary Part Number | AS1738-1D16 |
| Item Name | Nut Assembly,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Tube Outside Diameter for Which Designed | 1.000 INCHES NOMINAL IN |
| Style Designator | NUT ASSEMBLY |
| Outside Diameter | 1.652 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81343-AS1730 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE |
| Thread Size | 1.500-12 |
| Screw Thread Series Designator | UNF |
| Thread Class | 2B |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| AS1738-1D16 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1738-1D16 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AS1730 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-285-5138 is a Nut Assembly,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-285-5138 has 1 manufacturer part number on file: AS1738-1D16 (Sae International Dba Sae International).
Key specifications for AS1738-1D16: Tube Outside Diameter for Which Designed: 1.000 INCHES NOMINAL IN; Style Designator: NUT ASSEMBLY; Overall Length: 0.434 INCHES NOMINAL IN; Outside Diameter: 1.652 INCHES NOMINAL IN. 10 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.