The Hose,metallic, cataloged under National Stock Number 4720-01-178-2951, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hyspan Precision Products, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-178-2951 |
| Primary Part Number | TYPE U.I. 3IN ID 50FT |
| Item Name | Hose,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hyspan Precision Products, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 600.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 22.500 INCHES IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 3.022 INCHES NOMINAL IN |
| Exterior Color | NATURAL |
| Inside Diameter | 3.000 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING INNER CONVEYING TUBE |
| Inner Conveying Tube Style | INTERLOCKED UNPACKED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TYPE U.I. 3IN ID 50FT PRIMARY | Hyspan Precision Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AI-412 | 5/9 Secondary reference Allied Metal Hose Co Inc |
| TYPE B 3IN ID 50FT | 5/9 Secondary reference U.S. Government activity |
| 0372-300-501-50FT | 5/9 Secondary reference U.S. Government activity |
| 0372-300-501-50FT | 5/2 Secondary reference U.S. Government activity |
| U-100S302 | 5/9 Secondary reference Federal Supply and Equipment Co Inc |
NSN 4720-01-178-2951 is a Hose,metallic, manufactured by Hyspan Precision Products, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-178-2951 has 1 manufacturer part number on file: TYPE U.I. 3IN ID 50FT (Hyspan Precision Products, Inc.).
Key specifications for TYPE U.I. 3IN ID 50FT: Measuring Method and Length: 600.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 22.500 INCHES IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 3.022 INCHES NOMINAL IN. 8 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.