The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-170-4670, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Noel-Smyser Engineering Corporation Dba Noel Smyser Engineering Corp. Government technical data includes 25 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-170-4670 |
| Primary Part Number | 17A8585G03 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Noel-Smyser Engineering Corporation Dba Noel Smyser Engineering Corp |
| Status | ACTIVE |
| Measuring Method and Length | 72.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 3.000 INCHES IN |
| Connection Style | PUSH (EXTERNAL) SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | 1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 2ND LAYER RUBBER IMPREGNATED BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD |
| Connection Type | EXTERNAL QUICK DISCONNECT SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.516 INCHES NOMINAL IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Quick Disconnect Nominal Size | 0.188 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | ETHYLENE GLYCOL AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 6000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 12000.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | OIL 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 |
|---|---|
| 17A8585G03 PRIMARY | Noel-Smyser Engineering Corporation Dba Noel Smyser Engineering Corp (USA) |
| Reference | Meaning |
|---|---|
| 17A8585G03 | 3/2 Design control — primary reference U.S. Government activity |
| 17A8585 | D/9 Drawing number reference only General Electric Company |
| 17A8585G03 | 5/9 Secondary reference General Electric Company |
NSN 4720-01-170-4670 is a Hose Assembly,nonmetallic, manufactured by Noel-Smyser Engineering Corporation Dba Noel Smyser Engineering Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-170-4670 has 1 manufacturer part number on file: 17A8585G03 (Noel-Smyser Engineering Corporation Dba Noel Smyser Engineering Corp).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-198-7280. Verify interchangeability with system specifications before substitution.
Key specifications for 17A8585G03: Measuring Method and Length: 72.000 INCHES NOMINAL WORKING IN; Temp Rating: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 3.000 INCHES IN; Connection Style: PUSH (EXTERNAL) SECOND 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.