The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-319-0725, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-319-0725 |
| Primary Part Number | 8606-632-1 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Connection Style | GASKET SEAL FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Inside Surface Condition | ROUGH |
| 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 |
|---|---|
| 8606-632-1 PRIMARY | The Entwistle Company Llc (USA) |
| 9119017 PRIMARY | Simpson Machine Corp (USA) |
| Reference | Meaning |
|---|---|
| 8606-632 | D/9 Drawing number reference only Wilson Machine Co Inc |
| 8606-632-1 | 5/9 Secondary reference Entwistle Co the Defense Technology Div |
NSN 4720-01-319-0725 is a Hose Assembly,nonmetallic, manufactured by The Entwistle Company Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-319-0725 has 2 manufacturer part numbers on file: 8606-632-1 (The Entwistle Company Llc), 9119017 (Simpson Machine Corp).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-319-5059. Verify interchangeability with system specifications before substitution.
Key specifications for 8606-632-1: Connection Style: GASKET SEAL FIRST END; End Connection Design: STRAIGHT FIRST END; Connection Type: THREADED INTERNAL PIPE FIRST END; Cross-Sectional Shape Style: ROUND. 6 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.