The Hose,nonmetallic, cataloged under National Stock Number 4720-01-231-8991, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-231-8991 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Minimum Inside Bending Radius | 25.000 INCHES IN |
| Criticality Code Justification | ZZZY |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Inside Diameter | 2.020 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 845-4788683 ASSY-9 | 5/1 Secondary reference U.S. Government activity |
| MIL-H-24135-32 CL I | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
NSN 4720-01-231-8991 is a Hose,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-231-8991: Minimum Inside Bending Radius: 25.000 INCHES IN; Criticality Code Justification: ZZZY; Cross-Sectional Shape Style: ROUND; Outside Diameter: 2.750 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 4720-01-231-8991 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.