The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-507-2143, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-507-2143 |
| Primary Part Number | 564-6985611-F621 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES FIRST END |
| Cross-Sectional Shape Style | ROUND |
| 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 |
|---|---|
| 564-6985611-F621 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H651-3402 | 5/9 Secondary reference U.S. Government activity |
| 218116320 | 5/2 Secondary reference U.S. Government activity |
| 564-6985611 | D/9 Drawing number reference only Naval Sea Systems Command |
| H651-3402-F621 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-507-2143 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-507-2143 has 1 manufacturer part number on file: 564-6985611-F621 (Naval Sea Systems Command).
Key specifications for 564-6985611-F621: Flow Angle: 90.0 DEGREES FIRST END; Cross-Sectional Shape Style: ROUND; Special Features: HOSE ASSEMBLY CONSISTS OF: (2) -32 HOSE X 3.0632-12UN STRAIGHT END FITTING, (1) HOSE X HOSE 90 DEGREE ELBOW, (2) SYNTHETIC RUBBER 1.810 ID X 2.220 OD 350 PSI HOSE, (2) BERYLLIUM COPPER 2.000 OD INTERNAL HOSE SUPPORT COILS, (1) HOSE TAG ASSEMBLY FOR HOSE UP TO 4.00 INCHES IN DIAMETER IN; Part Name Assigned by Controlling Agency: HOSE ASSEMBLY, 90 DEGREE, 1.500 NPS THREADED. 2 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.