The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-394-8167, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Parker-Hannifin Corp Div Parflex Division. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-394-8167 |
| Primary Part Number | 550H0606-6-6-6-103.00-TWINLINE |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Parker-Hannifin Corp Div Parflex Division |
| Status | ACTIVE |
| Measuring Method and Length | 103.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED FIBER AND OUTER LAYER MOLDED RUBBER, ETHYLENE PROPYLENE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.664 INCHES NOMINAL IN |
| Operating Pressure | 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 4500.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 9000.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | ABRASION RESISTANT |
| Thread Series Designator | UNF 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 |
|---|---|
| 550H0606-6-6-6-103.00-TWINLINE PRIMARY | Parker-Hannifin Corp Div Parflex Division (USA) |
| 3773-06546-546-103 | Fournier Rubber & Supply Co Div Fournier Rubber & Supply (USA) |
| 159813 | Wiggins Lift Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 3773-06546-546-103 | 5/2 Secondary reference U.S. Government activity |
| 3770-27053/3903 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 060635-103.00 | 5/9 Secondary reference Brudi Inc |
NSN 4720-01-394-8167 is a Hose Assembly,nonmetallic, manufactured by Parker-Hannifin Corp Div Parflex Division, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-394-8167 has 3 manufacturer part numbers on file: 550H0606-6-6-6-103.00-TWINLINE (Parker-Hannifin Corp Div Parflex Division), 3773-06546-546-103 (Fournier Rubber & Supply Co Div Fournier Rubber & Supply), 159813 (Wiggins Lift Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-586-0730. Verify interchangeability with system specifications before substitution.
Key specifications for 550H0606-6-6-6-103.00-TWINLINE: Measuring Method and Length: 103.000 INCHES NOMINAL OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.000 INCHES IN; Connection Style: SWIVEL NUT FLARE FIRST END. 20 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.