The Seat,valve, cataloged under National Stock Number 4820-01-479-5876, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-479-5876 |
| Primary Part Number | 2640-801X2 PC 48CP |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| 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 |
|---|---|
| 2640-801X2 PC 48CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 7284884 PC 48CPCP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2643-773-01 ITEM 41CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 7284884 PC 48CP | 3/1 Design control — primary reference Naval Sea Systems Command |
| 845-718793 ITEM 41CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-479-5876 is a Seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-479-5876 has 2 manufacturer part numbers on file: 2640-801X2 PC 48CP (Naval Inventory Control Point Mechanicsburg), 7284884 PC 48CPCP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2640-801X2 PC 48CP: Criticality Code Justification: ZZZY; End Item Identification: USED ON AIRCRAFT CARRIER, CVN-68,CVN-69,CVN-72; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. 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.