The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-656-7393, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Heyco Inc Dba Heyco Products. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-656-7393 |
| Primary Part Number | 8451 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Heyco Inc Dba Heyco Products |
| Status | ACTIVE |
| Measuring Method and Length | 100.0 FEET NOMINAL OVERALL FT |
| Cross-Sectional Shape Style | ROUND |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) BODY |
| 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 |
|---|---|
| 8451 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
NSN 4720-01-656-7393 is a Tubing,nonmetallic, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-656-7393 has 1 manufacturer part number on file: 8451 (Heyco Inc Dba Heyco Products).
Key specifications for 8451: Measuring Method and Length: 100.0 FEET NOMINAL OVERALL FT; Cross-Sectional Shape Style: ROUND; Part Name Assigned by Controlling Agency: FLEXIBLE, NONMETALLIC LIQUID TIGHT ELECTRICAL TUBING; Material: PLASTIC POLYVINYL CHLORIDE (PVC) BODY. 3 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.