The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-00-385-2476, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-385-2476 |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 17.500 INCHES NOMINAL OVERALL IN |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 70.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | RESTRAINT CORD |
| Inside Diameter | 0.250 INCHES NOMINAL FIRST END IN |
| Material | RUBBER SILICONE CLASS Q FIRST PLY |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Material | PLASTIC POLYAMIDE NYLON SECOND PLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| REDAR-A10918-1 | 3/9 Design control — primary reference R.e. Darling Co., Inc. |
NSN 4720-00-385-2476 is a Hose Assembly,air Breathing, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-385-2476: Measuring Method and Length: 17.500 INCHES NOMINAL OVERALL IN; Style Designator: FULLY CONVOLUTED; Cross-Sectional Shape Style: ROUND; Operating Pressure: 70.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 9 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 4720-00-385-2476 has DEMIL Code Q. 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.