The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-101-0091, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Kearflex Engineering Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Kearflex Engineering Company (CAGE 26136) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-101-0091 |
| Primary Part Number | 3161-1 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Kearflex Engineering Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 3161-1 PRIMARY | Kearflex Engineering Company (USA) |
| Reference | Meaning |
|---|---|
| 10111164 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4720-01-101-0091 is a Tubing,nonmetallic, manufactured by Kearflex Engineering Company, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-101-0091 has 1 manufacturer part number on file: 3161-1 (Kearflex Engineering Company).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-475-2968, 4720-01-478-8581. Verify interchangeability with system specifications before substitution.
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.