The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-679-5540, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Pureflex, Inc.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-679-5540 |
| Primary Part Number | 801-6640963ASSY316 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Pureflex, Inc. |
| Status | ACTIVE |
| Flow Angle | 37.0 DEGREES ALL ENDS |
| Measuring Method and Length | 87.00 INCHES MINIMUM OVERALL AND 93.00 INCHES MAXIMUM OVERALL IN |
| Minimum Inside Bending Radius | 8.0 INCHES IN |
| End Connection Design | STRAIGHT ALL ENDS |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 625.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 2.50 INCHES ALL ENDS IN |
| Thread Class | 2B ALL ENDS |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Thread Series Designator | NPS ALL ENDS |
| 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 |
|---|---|
| 801-6640963ASSY316 PRIMARY | Pureflex, Inc. (USA) |
| RPTVD-774-0613ASSY316 | Naval Sea Systems Command (USA) |
| 215-7015635F248 | Naval Sea Systems Command (USA) |
NSN 4720-01-679-5540 is a Hose Assembly,nonmetallic, manufactured by Pureflex, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-679-5540 has 3 manufacturer part numbers on file: 801-6640963ASSY316 (Pureflex, Inc.), RPTVD-774-0613ASSY316 (Naval Sea Systems Command), 215-7015635F248 (Naval Sea Systems Command).
Key specifications for 801-6640963ASSY316: Flow Angle: 37.0 DEGREES ALL ENDS; Measuring Method and Length: 87.00 INCHES MINIMUM OVERALL AND 93.00 INCHES MAXIMUM OVERALL IN; Minimum Inside Bending Radius: 8.0 INCHES IN; End Connection Design: STRAIGHT ALL ENDS. 11 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.