The Valve Dphrm Oper, cataloged under National Stock Number 4820-01-654-9647, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-654-9647 |
| Primary Part Number | Y103952674/35193NL1 |
| Item Name | Valve Dphrm Oper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| Y103952674/35193NL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| DBONSXB-3B7G2QL | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| DBONSXB-3B7G2QLL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| Y103952674/35193N | 3/1 Design control — primary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-654-9647 is a Valve Dphrm Oper, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-654-9647 has 3 manufacturer part numbers on file: Y103952674/35193NL1 (Naval Inventory Control Point Mechanicsburg), DBONSXB-3B7G2QL (Leslie Controls, Inc. Dba Leslie Controls Inc), DBONSXB-3B7G2QLL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for Y103952674/35193NL1: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS. 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.
NSN 4820-01-654-9647 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.