The Hose Assembly,air Duct, cataloged under National Stock Number 4720-01-544-3045, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Drs Environmental Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-544-3045 |
| Primary Part Number | 500-0-95-02 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 500-0-95-02 PRIMARY | Drs Environmental Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 500-0-95-02 | 3/9 Design control — primary reference Drs Environmental Systems, Inc. Dba Drs Technologies |
NSN 4720-01-544-3045 is a Hose Assembly,air Duct, manufactured by Drs Environmental Systems Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-544-3045 has 1 manufacturer part number on file: 500-0-95-02 (Drs Environmental Systems Inc).
Key specifications for 500-0-95-02: End Item Identification: RQ-4A A. 0 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.
NSN 4720-01-544-3045 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.