The Hose,preformed, cataloged under National Stock Number 4720-01-392-2436, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-392-2436 |
| Primary Part Number | WI-4005 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc |
| Status | ACTIVE |
| Style Designator | CENTER HUMP |
| Wall Thickness | 0.250 INCHES NOMINAL IN |
| Outside Diameter | 5.500 INCHES NOMINAL IN |
| Bulge Width | 1.000 INCHES NOMINAL IN |
| Inside Diameter | 3.875 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Working Length | 5.500 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 |
| Part Number | Manufacturer |
|---|---|
| WI-4005 PRIMARY | Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc (USA) |
| Reference | Meaning |
|---|---|
| WI-5005 | 5/9 Secondary reference Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc |
NSN 4720-01-392-2436 is a Hose,preformed, manufactured by Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-392-2436 has 1 manufacturer part number on file: WI-4005 (Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc).
1 possible match (shared part number, not a government interchangeability claim): 6145-01-539-7231. Verify interchangeability with system specifications before substitution.
Key specifications for WI-4005: Style Designator: CENTER HUMP; Wall Thickness: 0.250 INCHES NOMINAL IN; Outside Diameter: 5.500 INCHES NOMINAL IN; Bulge Width: 1.000 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.