The Hose,preformed, cataloged under National Stock Number 4720-01-279-3169, 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7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-279-3169 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Style Designator | CENTER HUMP |
| Wall Thickness | 0.245 INCHES NOMINAL IN |
| Outside Diameter | 3.620 INCHES NOMINAL IN |
| Bulge Width | 0.380 INCHES NOMINAL IN |
| Inside Diameter | 2.250 INCHES NOMINAL IN |
| Material | RUBBER NATURAL OR RUBBER SYNTHETIC AND RUBBER CHLOROPRENE CLASS CR OVERALL |
| Working Length | 6.000 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 |
|---|---|
| 2051 0481 | 5/9 Secondary reference Harsco Corporation Dba B M Y Wyne Wheled Vehicles Div |
| 20510481 | 5/9 Secondary reference Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc |
| 20510481 | C/1 Advisory reference — outside the item-of-supply concept Trelleborg Sealing Solutions Us, Inc. |
| 2051 0481 | 3/9 Design control — primary reference Military Trucks & Parts, Inc. |
NSN 4720-01-279-3169 is a Hose,preformed, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-279-3169: Style Designator: CENTER HUMP; Wall Thickness: 0.245 INCHES NOMINAL IN; Outside Diameter: 3.620 INCHES NOMINAL IN; Bulge Width: 0.380 INCHES NOMINAL 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.