The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-221-2468, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-221-2468 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.217 INCHES NOMINAL IN |
| Specification/standard Data | 81348-ZZ-T-831 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| Minimum Tensile Strength | 700 POUNDS PER SQUARE INCH LBS |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR TUBE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 40A90271 | D/9 Drawing number reference only Hughes Missile Systems Co San Diego |
| CS4720-0021E02ZNR | 5/9 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| ZZ-T-831 | 4/1 Identification reference U.S. Government activity |
| 6Z8042-1 | 5/2 Secondary reference U.S. Government activity |
| 40A90271-1 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
| ZZ-T831 TYPE 2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4720-00-221-2468 is a Tubing,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-221-2468: Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.217 INCHES NOMINAL IN; Specification/standard Data: 81348-ZZ-T-831 GOVERNMENT SPECIFICATION. 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.