The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-531-1691, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Alkota Cleaning Systems Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-531-1691 |
| Primary Part Number | K02-03150E5 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Alkota Cleaning Systems Inc |
| Status | ACTIVE |
| Measuring Method and Length | 50.000 FEET NOMINAL EXCLUDING END FITTINGS FT |
| Connection Style | PLAIN FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED STEEL WIRE |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| 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 |
| Part Number | Manufacturer |
|---|---|
| K02-03150E5 | Alkota Cleaning Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| K02-03150-1 | 3/9 Design control — primary reference Alkota Cleaning Systems Inc |
| K02-03150-1 | 5/9 Secondary reference Alkota Cleaning Systems Inc |
NSN 4720-01-531-1691 is a Hose Assembly,nonmetallic, manufactured by Alkota Cleaning Systems Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-531-1691 has 1 manufacturer part number on file: K02-03150E5 (Alkota Cleaning Systems Inc).
Key specifications for K02-03150E5: Measuring Method and Length: 50.000 FEET NOMINAL EXCLUDING END FITTINGS FT; Connection Style: PLAIN FIRST END; End Connection Design: STRAIGHT FIRST END; Layer Composition and Location: OUTER LAYER BRAIDED STEEL WIRE. 12 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.