The Tubing Assembly,nonmetallic, cataloged under National Stock Number 4720-01-271-3845, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-271-3845 |
| Item Name | Tubing Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Connection Style | PLAIN FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.973 INCHES NOMINAL IN |
| Inside Diameter | 1.272 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Material | PLASTIC POLYVINYLIDENE FLUORIDE TUBE |
| Flange Style | ROUND W/ OUT BOLT HOLES FIRST END |
| End Flange Construction | SOLID FIRST END |
| Nonmetallic Hardness Rating | 45.0 MINIMUM ROCKWELL R AND 50.0 MAXIMUM ROCKWELL R |
| 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 |
|---|---|
| 365E152 | D/9 Drawing number reference only Bfm Energy Products Corp |
| 365E152-1 | 3/9 Design control — primary reference Bfm Energy Products Corp |
NSN 4720-01-271-3845 is a Tubing Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-271-3845: Connection Style: PLAIN FIRST END; End Connection Design: STRAIGHT FIRST END; Connection Type: PLAIN FACE FLANGE FIRST END; Cross-Sectional Shape Style: ROUND. 11 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.