The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-645-5271, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-645-5271 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES ALL ENDS |
| Measuring Method and Length | 16.75 INCHES NOMINAL OVERALL IN |
| Fitting Component and Surface Treatment | COMPLETE FITTING CADMIUM ALL ENDS |
| Connection Style | FLARE ALL ENDS |
| End Connection Design | ELBOW ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.25 INCHES NOMINAL IN |
| End Fitting Component and Material | COMPLETE FITTING STEEL ALL ENDS |
| 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 |
|---|---|
| M83796/1E166L | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-83796/1 | 4/1 Identification reference U.S. Government activity |
NSN 4720-01-645-5271 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-645-5271: Flow Angle: 90.0 DEGREES ALL ENDS; Measuring Method and Length: 16.75 INCHES NOMINAL OVERALL IN; Fitting Component and Surface Treatment: COMPLETE FITTING CADMIUM ALL ENDS; Connection Style: FLARE ALL ENDS. 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.
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.