The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-078-8599, 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 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-078-8599 |
| Primary Part Number | 440-20D |
| Item Name | Adapter,straight,tube to Hose |
| 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 |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE SOCKET |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NIPPLE |
| Connection Style | SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 1.1485 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.500 INCHES SECOND END IN |
| Nominal Overall Length | 3.359 INCHES IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | QQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE SOCKET |
| Material Document and Classification | QQ-A-268,T6 FED SPEC SINGLE MATERIAL RESPONSE NIPPLE |
| Nominal Outside Diameter Tube Accommodated | 1.125 INCHES FIRST END IN |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Surface Treatment | ANODIZE NUT |
| Surface Treatment | ANODIZE NIPPLE |
| Surface Treatment | ANODIZE SOCKET |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY 2024 NUT |
| Material | ALUMINUM ALLOY 6061 NIPPLE |
| Material | ALUMINUM ALLOY 2024 SOCKET |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| 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 |
|---|---|
| 440-20D PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 148-2000-20D PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 148-2000-20D | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 941-20D | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-078-8599 is a Adapter,straight,tube to Hose, 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 4730-01-078-8599 has 2 manufacturer part numbers on file: 440-20D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 148-2000-20D (Hydrasearch Company, Llc).
Key specifications for 440-20D: Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE SOCKET; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NIPPLE; Connection Style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END. 25 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.