The Hose,preformed, cataloged under National Stock Number 4720-01-038-2671, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-038-2671 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Style Designator | CENTER HUMP |
| Wall Thickness | 0.188 INCHES NOMINAL IN |
| Outside Diameter | 4.078 INCHES NOMINAL IN |
| Bulge Width | 1.500 INCHES NOMINAL IN |
| Inside Diameter | 3.500 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC COVER |
| Material | RUBBER SYNTHETIC OVERALL |
| Working Length | 7.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| D105-3 | 3/9 Design control — primary reference B-Vac Corp |
NSN 4720-01-038-2671 is a Hose,preformed, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-038-2671: Style Designator: CENTER HUMP; Wall Thickness: 0.188 INCHES NOMINAL IN; Outside Diameter: 4.078 INCHES NOMINAL IN; Bulge Width: 1.500 INCHES NOMINAL IN. 8 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.