The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-587-7553, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-587-7553 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 36.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Connection Style | SWIVEL NUT WITH COMPRESSION SLEEVE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Criticality Code Justification | ZZZY |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, CHLOROPRENE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | ELECTROSTATIC DISCHARGE CAPABILITY |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | OXYGEN, GASEOUS AND OXYGEN, LIQUID SINGLE RESPONSE |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Series Designator | UNF FIRST END |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 21-19556MKMCP | 5/2 Secondary reference U.S. Government activity |
| 21-19556MKM | 3/1 Design control — primary reference U.S. Government activity |
| 21-19556MKMCP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4720-00-587-7553 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-587-7553: Measuring Method and Length: 36.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Connection Style: SWIVEL NUT WITH COMPRESSION SLEEVE FIRST END; End Connection Design: STRAIGHT FIRST END; Criticality Code Justification: ZZZY. 17 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.