The Piston,valve, cataloged under National Stock Number 4810-01-691-6510, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Piston,valve |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | L3 Technologies, Inc. Div L3 Keo (CAGE 34228); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-691-6510 |
| Primary Part Number | 8603364-D1416340 |
| Item Name | Piston,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| 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 |
|---|---|
| 8603364-D1416340 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 8603364 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7225791-5 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4810-01-691-6510 is a Piston,valve, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-691-6510 has 2 manufacturer part numbers on file: 8603364-D1416340 (L3 Technologies, Inc. Div L3 Keo), 8603364 (Naval Sea Systems Command).
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.