The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-591-4523, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is American Defense Group Llc Dba American Physical Security Group Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-591-4523 |
| Primary Part Number | 420D-HYD-HOSE5 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | American Defense Group Llc Dba American Physical Security Group Llc |
| Status | ACTIVE |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| 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 |
|---|---|
| 420D-HYD-HOSE5 PRIMARY | American Defense Group Llc Dba American Physical Security Group Llc (USA) |
| Reference | Meaning |
|---|---|
| 420D-HYD-HOSE5 | 3/9 Design control — primary reference American Defense Systems, Inc. Dba Adsi |
NSN 4720-01-591-4523 is a Hose Assembly,nonmetallic, manufactured by American Defense Group Llc Dba American Physical Security Group Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-591-4523 has 1 manufacturer part number on file: 420D-HYD-HOSE5 (American Defense Group Llc Dba American Physical Security Group Llc).
Key specifications for 420D-HYD-HOSE5: Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE; Part Name Assigned by Controlling Agency: STEERING EXTENTION HOSE, NUMBER 6 MALE AND 6 FEMALE; End Item Identification: 3895-01-558-5645; ARMOR KIT, BACKHOE LOADER. 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.