The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-989-4789, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-00-989-4789 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 21.500 INCHES MINIMUM WORKING AND 22.500 INCHES MAXIMUM WORKING IN |
| Connection Style | SWIVEL NUT, COMPRESSION FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | THREADED INTERNAL GAS CYLINDER FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Burst Test Pressure | 800.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 340580 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4720-00-989-4789 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5935-01-248-9309. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-00-989-4789: Measuring Method and Length: 21.500 INCHES MINIMUM WORKING AND 22.500 INCHES MAXIMUM WORKING IN; Connection Style: SWIVEL NUT, COMPRESSION FIRST END; End Connection Design: STRAIGHT FIRST END; Connection Type: THREADED INTERNAL GAS CYLINDER FIRST END. 9 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.