The Hose,metallic, cataloged under National Stock Number 4720-00-174-6820, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-174-6820 |
| Item Name | Hose,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 96.000 INCHES MINIMUM RANDOM AND 240.000 INCHES MAXIMUM RANDOM IN |
| Minimum Inside Bending Radius | 27.000 INCHES IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 5.500 INCHES NOMINAL IN |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Specification/standard Data | 81349-MIL-H-19034 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 TYPE |
| Inside Diameter | 3.500 INCHES NOMINAL IN |
| Material | STEEL INNER CONVEYING TUBE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-H-19034 | 4/1 Identification reference U.S. Government activity |
NSN 4720-00-174-6820 is a Hose,metallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 4720-00-174-6821, 4720-00-174-6822, 4720-00-174-6823. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-00-174-6820: Measuring Method and Length: 96.000 INCHES MINIMUM RANDOM AND 240.000 INCHES MAXIMUM RANDOM IN; Minimum Inside Bending Radius: 27.000 INCHES IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 5.500 INCHES NOMINAL IN. 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.