The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-005-7550, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-00-005-7550 |
| 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 |
| Connection Style | PLAIN FIRST END |
| Connection Style | PLAIN SECOND END |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.745 INCHES NOMINAL IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | COMPLETE FITTING COPPER ALLOY FIRST END |
| End Fitting Component and Material | COMPLETE FITTING COPPER ALLOY SECOND END |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST 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 |
|---|---|
| 202-953 | 3/9 Design control — primary reference Brooklyn Tractor and Mower Co Inc |
NSN 4720-00-005-7550 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): 2590-01-174-1266. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-00-005-7550: Measuring Method and Length: 600.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Connection Style: PLAIN FIRST END; Connection Style: PLAIN SECOND END; Layer Composition and Location: OUTER LAYER MOLDED RUBBER, SYNTHETIC. 19 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.