The Hose,nonmetallic, cataloged under National Stock Number 4720-01-721-2201, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-721-2201 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 29.375 INCHES NOMINAL WORKING IN |
| Temp Rating | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.280 INCHES NOMINAL IN |
| Features Provided | IDENTICAL ENDS |
| Inside Surface Condition | SMOOTH |
| Outer Covering Environmental Protection | ABRASION RESISTANT |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE BODY |
| Reference Number Differentiating Characteristics | ITEM IS FAA CERTIFIED |
| Inner Conveying Tube Style | PLAIN |
| 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 |
|---|---|
| AS1634B12H0293 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1633 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4720-01-721-2201 is a Hose,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-722-0743. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-01-721-2201: Measuring Method and Length: 29.375 INCHES NOMINAL WORKING IN; Temp Rating: 400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Cross-Sectional Shape Style: ROUND; Outside Diameter: 1.280 INCHES NOMINAL IN. 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.