The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-209-5663, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydraflow. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-209-5663 |
| Primary Part Number | 55118-6-0220 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 22.000 INCHES NOMINAL WORKING IN |
| Connection Style | SWIVEL NUT, INVERTED FLARE SECOND END |
| Connection Style | SWIVEL NUT, INVERTED FLARE FIRST END |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED RAYON CORD AND 2ND LAYER BRAIDED SYNTHETIC CORD AND 3RD LAYER MOLDED RUBBER, CHLOROPRENE |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.630 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.563 INCHES SECOND END IN |
| Nominal Thread Size | 0.563 INCHES FIRST END IN |
| Seat Angle | 24.0 DEGREES FIRST END |
| Seat Angle | 24.0 DEGREES SECOND END |
| Inside Diameter | 0.330 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND 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 |
|---|---|
| 55118-6-0220 PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| 4720PL1289874 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 6532-0220 | 5/9 Secondary reference Transdigm Inc Div Adelwiggins Group |
| 5336321 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4720-01-209-5663 is a Hose Assembly,nonmetallic, manufactured by Hydraflow, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-209-5663 has 1 manufacturer part number on file: 55118-6-0220 (Hydraflow).
Key specifications for 55118-6-0220: Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 22.000 INCHES NOMINAL WORKING IN; Connection Style: SWIVEL NUT, INVERTED FLARE SECOND END; Connection Style: SWIVEL NUT, INVERTED FLARE FIRST END. 23 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.