The Stem,fluid Valve, cataloged under National Stock Number 4820-01-340-9365, 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 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-340-9365 |
| Primary Part Number | 845-8616941-ITEM NO-19L1 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Valve Type for Which Designed | BALL |
| Criticality Code Justification | ZZZY |
| Valve Size for Which Designed | 0.500 INCHES IN |
| Material | NICKEL ALLOY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 845-8616941-ITEM NO-19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2644-405-11 ITEM 19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-8616941 ITEM 19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2644-405-11-ITEM NO-19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 845-8616941-ITEM NO-19 | 5/1 Secondary reference Naval Sea Systems Command |
| 845-8616941 ITEM 19 | 5/1 Secondary reference Naval Sea Systems Command |
| 2641-405-01 ITEM 48 | 3/1 Design control — primary reference U.S. Government activity |
| 2641-809-41 ITEM 11 | 5/1 Secondary reference U.S. Government activity |
| 2641-405-01 ITEM 48L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2644-405-11-ITEM NO-19 | 5/1 Secondary reference U.S. Government activity |
| 2641-809-41 ITEM 11L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2644-405-11 ITEM 19 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-01-340-9365 is a Stem,fluid Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-340-9365 has 4 manufacturer part numbers on file: 845-8616941-ITEM NO-19L1 (Naval Inventory Control Point Mechanicsburg), 2644-405-11 ITEM 19L1 (Naval Inventory Control Point Mechanicsburg), 845-8616941 ITEM 19L1 (Naval Inventory Control Point Mechanicsburg), 2644-405-11-ITEM NO-19L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 845-8616941-ITEM NO-19L1: Valve Type for Which Designed: BALL; Criticality Code Justification: ZZZY; Valve Size for Which Designed: 0.500 INCHES IN; End Item Identification: VALVE BALL. 5 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.