The Valve,check, cataloged under National Stock Number 4820-01-643-8173, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lexmark International, Inc. Dba Lexmark. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-643-8173 |
| Primary Part Number | 2752 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lexmark International, Inc. Dba Lexmark |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2752 PRIMARY | Lexmark International, Inc. Dba Lexmark (USA) |
NSN 4820-01-643-8173 is a Valve,check, manufactured by Lexmark International, Inc. Dba Lexmark, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-643-8173 has 1 manufacturer part number on file: 2752 (Lexmark International, Inc. Dba Lexmark).
Key specifications for 2752: Part Name Assigned by Controlling Agency: CARTRIDGE LOCK VALVE; End Item Identification: F-15SA AIRCRAFT. 0 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.