The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-439-8867, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4720-01-439-8867 |
| Primary Part Number | AA59566-AA2020144 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, ETHYLENE PROPYLENE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.126 INCHES NOMINAL IN |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Specification/standard Data | 81348-ZZ-H-561K GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 CLASS AND A GRADE AND A STYLE |
| Inside Diameter | 2.000 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 150.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | OIL RESISTANT AND OZONE RESISTANT AND WEATHERPROOF |
| 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 |
|---|---|
| AA59566-AA2020144 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| A-A-59566 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| ZZ-H-561K | 5/9 Secondary reference U.S. Government activity |
| ZZ-H-561AA2020144 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-439-8867 is a Hose Assembly,nonmetallic, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-439-8867 has 1 manufacturer part number on file: AA59566-AA2020144 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-439-8927. Verify interchangeability with system specifications before substitution.
Key specifications for AA59566-AA2020144: Layer Composition and Location: 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, ETHYLENE PROPYLENE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 2.126 INCHES NOMINAL IN; Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 10 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.