The Seat,valve, cataloged under National Stock Number 4820-00-209-2019, 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 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-209-2019 |
| Primary Part Number | 845-7286110 ITEM 14Q3 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Style Designator | PLAIN |
| Material Document and Classification | DE588 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Material | PLASTIC ACETAL OVERALL |
| Reference Number Differentiating Characteristics | ITEMS THAT SUPPORT A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 845-7286110 ITEM 14Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2643-820-05 ITEM 14Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2640-801X1 PC 27Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2643-820-05 ITEM 14 | 5/1 Secondary reference U.S. Government activity |
| 2640-801X1PC27 | 3/1 Design control — primary reference U.S. Government activity |
| 845-7286110 ITEM 14 | 5/1 Secondary reference Naval Sea Systems Command |
| 845-4558773PC14 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-00-209-2019 is a Seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-209-2019 has 3 manufacturer part numbers on file: 845-7286110 ITEM 14Q3 (Naval Inventory Control Point Mechanicsburg), 2643-820-05 ITEM 14Q3 (Naval Inventory Control Point Mechanicsburg), 2640-801X1 PC 27Q3 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 845-7286110 ITEM 14Q3: Criticality Code Justification: ZZZY; Style Designator: PLAIN; Material Document and Classification: DE588 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Material: PLASTIC ACETAL OVERALL. 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.
NSN 4820-00-209-2019 has DEMIL Code B. 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.