The Head,eye Wash,fountain, cataloged under National Stock Number 4510-01-719-0066, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4510-01-719-0066 |
| Primary Part Number | 6404893-AY83 |
| Item Name | Head,eye Wash,fountain |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Accessory Components and Quantity | FITTING,AERATOR,1;SCREW,2;NOZZLE,SPRAYHEAD,1;O-RING,1;DUSTCAP,1;BASE EYEWASH NOZZLE,1 |
| Material | COPPER ALLOY AND PLASTIC |
| 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 |
|---|---|
| 6404893-AY83 PRIMARY | Naval Sea Systems Command (USA) |
| DF2350-1781-AY83 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 6404893/SHEET30 | D/9 Drawing number reference only Naval Sea Systems Command |
| 533-6404893 SHEET 6J | D/9 Drawing number reference only Naval Sea Systems Command |
| 533-6404893-AY83 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 211095504 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4510-01-719-0066 is a Head,eye Wash,fountain, manufactured by Naval Sea Systems Command, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-719-0066 has 2 manufacturer part numbers on file: 6404893-AY83 (Naval Sea Systems Command), DF2350-1781-AY83 (Huntington Ingalls Inc Div Newport News Shipbuilding).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-719-0084. Verify interchangeability with system specifications before substitution.
Key specifications for 6404893-AY83: Accessory Components and Quantity: FITTING,AERATOR,1;SCREW,2;NOZZLE,SPRAYHEAD,1;O-RING,1;DUSTCAP,1;BASE EYEWASH NOZZLE,1; Part Name Assigned by Controlling Agency: EYE WASH NOZZLE ASSEMBLY; Material: COPPER ALLOY AND PLASTIC. 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.