The Hose,metallic, cataloged under National Stock Number 4720-01-644-7443, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-644-7443 |
| Item Name | Hose,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Outside Length | 25.880 INCHES MINIMUM AND 26.120 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Wall Thickness | 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN |
| Outside Diameter | 2.120 INCHES MAXIMUM IN |
| Inside Diameter | 1.500 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| 7012014 | D/9 Drawing number reference only Marine Corps Systems Command Program Manager Assault Amphibious Vehicle |
| 7012014-2 | 7/2 Vendor item drawing reference Marine Corps Systems Command Program Manager Assault Amphibious Vehicle |
| 0310-132-526-2.166 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-644-7443 is a Hose,metallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-644-7443: Outside Length: 25.880 INCHES MINIMUM AND 26.120 INCHES MAXIMUM IN; Material Document and Classification: ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Wall Thickness: 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN; Outside Diameter: 2.120 INCHES MAXIMUM IN. 7 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.