The Sleeve,reinforcing,hose, cataloged under National Stock Number 4720-01-439-2020, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-439-2020 |
| Item Name | Sleeve,reinforcing,hose |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Outside Diameter | 12.000 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 440340 | D/9 Drawing number reference only U.S. Government activity |
| 440340-2 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 440340-2 | 3/9 Design control — primary reference U.S. Government activity |
| 440340-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-439-2020 is a Sleeve,reinforcing,hose, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5315-01-612-2387, 6110-01-677-2826. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-01-439-2020: Outside Diameter: 12.000 INCHES NOMINAL IN; Special Features: SLOTTED HEX HEAD SCREW; USED WITH PORTABLE HOSE TO MOVE FUEL ACROSS GREAT DISTANCES OF LAND; End Item Identification: POL RURK; FUEL DISTRIBUTION STATION; Material: STEEL. 2 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.