The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-477-5802, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-477-5802 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 43.500 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED NICKEL COPPER ALLOY WIRE |
| Layer Composition and Location | 2ND LAYER BRAIDED NICKEL COPPER ALLOY WIRE |
| Layer Composition and Location | 3RD LAYER BRAIDED NICKEL COPPER ALLOY WIRE |
| Layer Composition and Location | OUTER LAYER CORRUGATED COPPER |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.344 INCHES NOMINAL IN |
| Features Provided | IDENTICAL ENDS |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Hydrostatic Test Pressure | 4000.0 POUNDS PER SQUARE INCH LBS |
| Inner Conveying Tube Style | ANNULAR CLOSE-PITCH CORRUGATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| S1443REV4 | 3/9 Design control — primary reference U.S. Government activity |
| S-1443 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-477-5802 is a Hose Assembly,metallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 1650-00-580-0188, 6660-01-483-2039, 2940-01-493-1852. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-00-477-5802: Measuring Method and Length: 43.500 INCHES NOMINAL EXCLUDING END FITTINGS IN; End Connection Design: STRAIGHT FIRST END; Layer Composition and Location: 1ST LAYER BRAIDED NICKEL COPPER ALLOY WIRE; Layer Composition and Location: 2ND LAYER BRAIDED NICKEL COPPER ALLOY WIRE. 14 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.