The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-270-0801, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-270-0801 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 36.000 INCHES NOMINAL OVERALL IN |
| Criticality Code Justification | ZZZY |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 5.375 INCHES NOMINAL IN |
| Inside Diameter | 5.000 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Inner Conveying Tube Style | HELICAL OPEN-PITCH CORRUGATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| A6948 | 3/1 Design control — primary reference Penflex Inc |
| 645-3791/PC5 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 514-1898382/PC5 | 5/1 Secondary reference U.S. Government activity |
| 645-3791PT5 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4720-01-270-0801 is a Hose Assembly,metallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-270-0801: Measuring Method and Length: 36.000 INCHES NOMINAL OVERALL IN; Criticality Code Justification: ZZZY; Cross-Sectional Shape Style: ROUND; Outside Diameter: 5.375 INCHES NOMINAL IN. 7 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 4720-01-270-0801 has DEMIL Code F. 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.