The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-651-0845, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Unaflex Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Unaflex Inc. (CAGE 56033) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-651-0845 |
| Primary Part Number | 20850-264 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Unaflex Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 20850-264 PRIMARY | Unaflex Inc. (USA) |
| Reference | Meaning |
|---|---|
| Q177240 | D/9 Drawing number reference only Unaflex Inc. |
| Q177240 REV C P/N 20850-264 | C/1 Advisory reference — outside the item-of-supply concept Unaflex Inc. |
NSN 4720-01-651-0845 is a Hose Assembly,metallic, manufactured by Unaflex Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-651-0845 has 1 manufacturer part number on file: 20850-264 (Unaflex Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-651-1429. Verify interchangeability with system specifications before substitution.
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.