The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-019-0481, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Superior Air Products Co. Government technical data includes 6 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-019-0481 |
| Primary Part Number | A21694 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Superior Air Products Co |
| Status | ACTIVE |
| Measuring Method and Length | 10.000 INCHES NOMINAL OVERALL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.513 INCHES NOMINAL IN |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| 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 |
|---|---|
| A21694 PRIMARY | Superior Air Products Co (USA) |
NSN 4720-00-019-0481 is a Tubing,nonmetallic, manufactured by Superior Air Products Co, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-019-0481 has 1 manufacturer part number on file: A21694 (Superior Air Products Co).
1 possible match (shared part number, not a government interchangeability claim): 5360-00-997-9864. Verify interchangeability with system specifications before substitution.
Key specifications for A21694: Measuring Method and Length: 10.000 INCHES NOMINAL OVERALL IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.513 INCHES NOMINAL IN; Inside Diameter: 0.188 INCHES NOMINAL IN. 6 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.