The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-345-2256, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Kent Latex Products. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-345-2256 |
| Primary Part Number | 606R |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Kent Latex Products |
| Status | ACTIVE |
| Measuring Method and Length | 120.000 INCHES MINIMUM RANDOM AND 600.000 INCHES MAXIMUM RANDOM IN |
| Supplementary Features | D-DAY ITEM FOR DOD |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.328 INCHES NOMINAL IN |
| Exterior Color | CLEAR |
| Inside Diameter | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Inside Surface Condition | SMOOTH |
| Minimum Tensile Strength | 1200 POUNDS PER SQUARE INCH LBS |
| Material | RUBBER TUBE |
| 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 |
|---|---|
| 606R PRIMARY | Kent Latex Products (USA) |
| Reference | Meaning |
|---|---|
| A-A-53848 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 606R KENT LATEX | 5/9 Secondary reference Meridian Industries, Inc Dba Kent Elastomer Products |
NSN 4720-01-345-2256 is a Tubing,nonmetallic, manufactured by Kent Latex Products, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-345-2256 has 1 manufacturer part number on file: 606R (Kent Latex Products).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-435-6490, 4720-01-550-0975. Verify interchangeability with system specifications before substitution.
Key specifications for 606R: Measuring Method and Length: 120.000 INCHES MINIMUM RANDOM AND 600.000 INCHES MAXIMUM RANDOM IN; Supplementary Features: D-DAY ITEM FOR DOD; Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND. 10 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.