The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-172-8175, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is The Boeing Company. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-172-8175 |
| Primary Part Number | 7-211710051-3 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Outside Length | 19.75 INCHES NOMINAL IN |
| Special Test Features | MINIMUM BEND RADIUS: 3" AT CENTER |
| Supplementary Features | MATERIAL TO BE CORROSION RESISTANT STEEL, SEAMLESS TUBING, ANNULAR CONVOLUTIONS, CLOSE PITCH FITTING WELDED OR BRAZED TO ASSEMBLY |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Hydrostatic Test Pressure | 120.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 180.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| 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 |
|---|---|
| 7-211710051-3 PRIMARY | The Boeing Company (USA) |
| 108171 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S145060604-0196 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| GS145060604-C196 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| S145060604-C196 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| 7-211710051-3 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 4720-01-172-8175 is a Hose Assembly,metallic, manufactured by The Boeing Company, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-172-8175 has 2 manufacturer part numbers on file: 7-211710051-3 (The Boeing Company), 108171 (Smiths Tubular Systems-Laconia, Inc.).
Key specifications for 7-211710051-3: Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Outside Length: 19.75 INCHES NOMINAL IN; Special Test Features: MINIMUM BEND RADIUS: 3" AT CENTER; Supplementary Features: MATERIAL TO BE CORROSION RESISTANT STEEL, SEAMLESS TUBING, ANNULAR CONVOLUTIONS, CLOSE PITCH FITTING WELDED OR BRAZED TO ASSEMBLY. 9 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.