The Parts Kit,check Valve, cataloged under National Stock Number 4820-01-648-0055, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Parts Kit,check Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-648-0055 |
| Primary Part Number | 2640092 ITEMS 19/21L1 |
| Item Name | Parts Kit,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| 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 |
|---|---|
| 2640092 ITEMS 19/21L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2740033 ITEMS 8/12L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2630384 ITEMS 28 ITEMS 28/32L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2640092 ITEMS 19/21 | 5/1 Secondary reference U.S. Government activity |
| 2740033 ITEMS 8/12 | 5/1 Secondary reference U.S. Government activity |
| 2630384 ITEMS 28 ITEMS 28/32 | 3/1 Design control — primary reference U.S. Government activity |
| 2640092 ITEMS 19/21 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-01-648-0055 is a Parts Kit,check Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-648-0055 has 3 manufacturer part numbers on file: 2640092 ITEMS 19/21L1 (Naval Inventory Control Point Mechanicsburg), 2740033 ITEMS 8/12L1 (Naval Inventory Control Point Mechanicsburg), 2630384 ITEMS 28 ITEMS 28/32L1 (Naval Inventory Control Point Mechanicsburg).
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.