The Duplex Hose,rubber, cataloged under National Stock Number 4720-01-293-4438, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Echelon Supply and Service, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-293-4438 |
| Primary Part Number | D1W-7139251 |
| Item Name | Duplex Hose,rubber |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Echelon Supply and Service, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | TUBE BLACK NEOPRENE,ONE TEXTILE BRAID,ONE RED ONE GREEN NEOPRENE COVER,0.250 ID,0.531 OD,2.500 IN.BEND RADIUS,200 PSI WORKINGPRESSURE,FITTINGS ON BOTH ENDS,80 FT LONG 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 |
|---|---|
| D1W-7139251 PRIMARY | Echelon Supply and Service, Inc. (USA) |
| 7139251-KAA | Atap Inc (USA) |
| MSS7139251-KAA | Mid-State Sales, Inc. Div Defense Products Group (USA) |
| Reference | Meaning |
|---|---|
| 7139251-KAA | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-293-4438 is a Duplex Hose,rubber, manufactured by Echelon Supply and Service, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-293-4438 has 3 manufacturer part numbers on file: D1W-7139251 (Echelon Supply and Service, Inc.), 7139251-KAA (Atap Inc), MSS7139251-KAA (Mid-State Sales, Inc. Div Defense Products Group).
Key specifications for D1W-7139251: General Characteristics Item Description: TUBE BLACK NEOPRENE,ONE TEXTILE BRAID,ONE RED ONE GREEN NEOPRENE COVER,0.250 ID,0.531 OD,2.500 IN.BEND RADIUS,200 PSI WORKINGPRESSURE,FITTINGS ON BOTH ENDS,80 FT LONG IN; End Item Identification: OSHKOSH REFUELER TRUCK MODEL R-11. 1 specification is 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.