The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-019-2719, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-019-2719 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 144.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Fitting Component and Surface Treatment | NUT CADMIUM FIRST END |
| Fitting Component and Surface Treatment | SOCKET CADMIUM SECOND END |
| Fitting Component and Surface Treatment | NIPPLE CADMIUM ALL ENDS |
| Fitting Component and Surface Treatment | COMPLETE FITTING CADMIUM THIRD END |
| Minimum Inside Bending Radius | 7.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Vacuum in Torr | 127.0 |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND 2ND LAYER BRAIDED STEEL WIRE AND 3RD LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Operating Pressure | 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | ELECTROSTATIC DISCHARGE CAPABILITY AND REUSABLE END FITTINGS |
| End Fitting Component and Material | NIPPLE COPPER ALLOY ALL ENDS |
| End Fitting Component and Material | SOCKET STEEL SECOND END |
| End Fitting Component and Material | NUT STEEL FIRST END |
| End Fitting Component and Material | COMPLETE FITTING STEEL THIRD END |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Exterior Color | BLACK |
| 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 |
|---|---|
| CB57-43158 | D/9 Drawing number reference only U.S. Government activity |
| CB57-43171 | D/9 Drawing number reference only U.S. Government activity |
| CB57-43158-120 | 3/9 Design control — primary reference U.S. Government activity |
| CB57-43171PC6 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-019-2719 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-019-2720, 4720-01-025-0273, 4720-01-044-1646. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-01-019-2719: Measuring Method and Length: 144.000 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Fitting Component and Surface Treatment: NUT CADMIUM FIRST END; Fitting Component and Surface Treatment: SOCKET CADMIUM SECOND END. 30 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.