The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-229-0664, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-229-0664 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 900.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Temp Rating | -32.0 CELSIUS AND 52.0 CELSIUS SINGLE RESPONSE DEGC |
| Connection Style | SWIVEL NUT, GASKET SEAL SECOND END |
| Connection Style | PLAIN FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | 1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 2ND LAYER HELIX WIRE COIL AND 3RD LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 4TH LAYER HELIX WIRE COIL AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED EXTERNAL HOSE FIRST END |
| Connection Type | THREADED INTERNAL HOSE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| End Fitting Component and Material | COMPLETE FITTING COPPER ALLOY ALL ENDS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Nominal Thread Size | 1.250 INCHES SECOND END IN |
| Exterior Color | BLACK |
| Specification/standard Data | 81349-MIL-H-370 GOVERNMENT SPECIFICATION |
| Inside Diameter | 1.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 150.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 500.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | FUEL RESISTANT AND OIL RESISTANT AND MILDEW RESISTANT AND OZONE RESISTANT |
| Thread Series Designator | NPSH FIRST END |
| Thread Series Designator | NPSH SECOND END |
| 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 |
|---|---|
| M370A04B3C9000 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-370 | 4/1 Identification reference U.S. Government activity |
| M370A043B9000C | 2/2 Government specification standardization U.S. Government activity |
NSN 4720-00-229-0664 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-229-0664: Measuring Method and Length: 900.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Temp Rating: -32.0 CELSIUS AND 52.0 CELSIUS SINGLE RESPONSE DEGC; Connection Style: SWIVEL NUT, GASKET SEAL SECOND END; Connection Style: PLAIN FIRST END. 25 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.