The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-146-5889, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4720-01-146-5889 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 600.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Temp Rating | 212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 12.000 INCHES IN |
| Connection Style | CAM OR LEVER (EXTERNAL) SECOND END |
| Connection Style | CAM OR LEVER (INTERNAL) FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | 1ST LAYER BRAIDED POLYESTER CORD AND 2ND LAYER HELIX COPPER COIL AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | EXTERNAL QUICK DISCONNECT SECOND END |
| Connection Type | INTERNAL QUICK DISCONNECT FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Quick Disconnect Nominal Size | 4.000 INCHES SECOND END IN |
| Quick Disconnect Nominal Size | 4.000 INCHES FIRST END IN |
| Specification/standard Data | 81349-MIL-H-20176 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 TYPE AND 4 SIZE |
| Inside Diameter | 4.000 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | WATER SINGLE RESPONSE |
| Burst Test Pressure | 400.0 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 |
|---|---|
| MIL-H-20176 | 5/9 Secondary reference U.S. Government activity |
| M20176124050 | 5/9 Secondary reference U.S. Government activity |
| M20176-1-1-40-50 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-20176 | 4/1 Identification reference U.S. Government activity |
| M20176-1-1-40-50B | 2/2 Government specification standardization U.S. Government activity |
NSN 4720-01-146-5889 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-153-1423, 4720-01-153-8351. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-01-146-5889: Measuring Method and Length: 600.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Temp Rating: 212.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 12.000 INCHES IN; Connection Style: CAM OR LEVER (EXTERNAL) SECOND END. 20 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.