The Nut,tube Coupling, cataloged under National Stock Number 4730-00-409-6273, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (CAGE 00624); Precision Form Rivet Inc (CAGE 14728) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-409-6273 |
| Primary Part Number | 2-03018F20 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| 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 |
|---|---|
| 2-03018F20 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| D8998F20 | Precision Form Rivet Inc (USA) |
| Reference | Meaning |
|---|---|
| GA7432F20 | 5/9 Secondary reference Globe Aerospace Inc |
| D8998F20 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 35220-1-20 | 5/9 Secondary reference Stanley Harrison Corporation |
| STSPB804F20 | 3/2 Design control — primary reference U.S. Government activity |
| US1142F20 | 5/9 Secondary reference United Supply Co Inc |
| STSPB804 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-00-409-6273 is a Nut,tube Coupling, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-409-6273 has 2 manufacturer part numbers on file: 2-03018F20 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), D8998F20 (Precision Form Rivet Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-045-4810, 4730-01-701-0114. Verify interchangeability with system specifications before substitution.
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.