The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-169-9666, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Swagelok Co. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-169-9666 |
| Primary Part Number | SS-4H0-1-4-L4 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Measuring Method and Length | 34.900 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Minimum Inside Bending Radius | 5.500 INCHES IN |
| Connection Style | PLAIN SECOND END |
| Connection Style | COMPRESSION FIRST END |
| Seat Nominal Radius | 0.062 INCHES FIRST END IN |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.580 INCHES NOMINAL IN |
| Operating Pressure | 2660.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Exterior Color | NATURAL |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2B FIRST END |
| Burst Test Pressure | 10640.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | UNF FIRST END |
| Inner Conveying Tube Style | ANNULAR CLOSE-PITCH CORRUGATED |
| 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 |
|---|---|
| SS-4H0-1-4-L4 PRIMARY | Swagelok Co (USA) |
| SS-4H0-1-4-L4 | Swagelok Canada Ltd (CAN) |
NSN 4720-01-169-9666 is a Hose Assembly,metallic, manufactured by Swagelok Co, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-169-9666 has 2 manufacturer part numbers on file: SS-4H0-1-4-L4 (Swagelok Co), SS-4H0-1-4-L4 (Swagelok Canada Ltd).
Key specifications for SS-4H0-1-4-L4: Measuring Method and Length: 34.900 INCHES NOMINAL EXCLUDING END FITTINGS IN; Minimum Inside Bending Radius: 5.500 INCHES IN; Connection Style: PLAIN SECOND END; Connection Style: COMPRESSION 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.