The Nut Assembly,tube Coupling, cataloged under National Stock Number 4730-01-003-5180, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-003-5180 |
| Primary Part Number | AS1714D72 |
| 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 | 4.500 INCHES NOMINAL IN |
| Style Designator | NUT ASSEMBLY |
| Outside Diameter | 5.678 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81343-AS1714 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Size | 5-1/2-12 |
| Screw Thread Series Designator | UN |
| Surface Treatment | ANODIZE |
| Thread Class | 2B |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| S305-72-03 | Transdigm Inc Div Adelwiggins Group (USA) |
| AS1714D72 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1714D72 | 5/9 Secondary reference U.S. Government activity |
| AS1714 | 5/9 Secondary reference Sae International Dba Sae International |
| AS1714 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS1710 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-003-5180 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 4730-01-003-5180 has 2 manufacturer part numbers on file: S305-72-03 (Transdigm Inc Div Adelwiggins Group), AS1714D72 (Sae International Dba Sae International).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-003-5554, 5940-01-351-1049. Verify interchangeability with system specifications before substitution.
Key specifications for AS1714D72: Tube Outside Diameter for Which Designed: 4.500 INCHES NOMINAL IN; Style Designator: NUT ASSEMBLY; Overall Length: 0.621 INCHES MAXIMUM IN; Outside Diameter: 5.678 INCHES MAXIMUM 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.