The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-376-2938, 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. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-376-2938 |
| Primary Part Number | T2189-100AW |
| Item Name | Locknut,tube Fitting |
| 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 |
| Width Across Flats | 1.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | ACME |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.428 INCHES IN |
| Nut Height | 0.310 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Nut Style | TUBE FITTING LOCKNUT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Nominal Tube Outside Diameter | 1.000 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| T2189-100AW PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 7D0202 | D/9 Drawing number reference only U.S. Government activity |
| T2189-100AW | 5/9 Secondary reference Eaton Aviation Corporation |
| 7D0202D16B | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-376-2938 is a Locknut,tube Fitting, 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 4730-01-376-2938 has 1 manufacturer part number on file: T2189-100AW (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for T2189-100AW: Width Across Flats: 1.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: ACME; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 13 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.