The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-006-3566, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bae Systems (operations) Limited. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-006-3566 |
| Primary Part Number | B304183 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bae Systems (operations) Limited |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES SECOND END |
| Measuring Method and Length | 32.500 INCHES NOMINAL OVERALL IN |
| Connection Style | NUT ASSEMBLY WITH GASKET SECOND END |
| Connection Style | NUT ASSEMBLY WITH GASKET FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.703 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.625 INCHES FIRST END IN |
| Nominal Thread Size | 0.625 INCHES SECOND END IN |
| Exterior Color | SILVER |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN SECOND END |
| Inner Conveying Tube Style | INTERLOCKED PACKED |
| 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 |
|---|---|
| B304183 | Bae Systems (operations) Limited (GBR) |
| Reference | Meaning |
|---|---|
| B327142 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems (operations) Limited |
| B327142 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
| B304183 | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
NSN 4720-00-006-3566 is a Hose Assembly,metallic, manufactured by Bae Systems (operations) Limited, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-006-3566 has 1 manufacturer part number on file: B304183 (Bae Systems (operations) Limited).
Key specifications for B304183: Flow Angle: 45.0 DEGREES SECOND END; Measuring Method and Length: 32.500 INCHES NOMINAL OVERALL IN; Connection Style: NUT ASSEMBLY WITH GASKET SECOND END; Connection Style: NUT ASSEMBLY WITH GASKET FIRST END. 17 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.