The Valve,check, cataloged under National Stock Number 4820-01-115-7059, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Aeropower Corporation. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Leonardo Spa Helicopters Division - Production Site (CAGE A0126); Pall Aeropower Corporation (CAGE 18350); The Boeing Company (CAGE 77272) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-115-7059 |
| Primary Part Number | AA-A620-1D391A |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 145HS212-4 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| AA-A620-1D391A PRIMARY | Pall Aeropower Corporation (USA) |
| 145HS212-4 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HP1327100-4 | 5/9 Secondary reference Tactair Fluid Controls Inc |
| HP1327100-4 | 5/9 Secondary reference U.S. Government activity |
| 1C1074 | 3/2 Design control — primary reference U.S. Government activity |
| HP1327100-1 | 5/9 Secondary reference U.S. Government activity |
| 145HS212-1 | 5/9 Secondary reference The Boeing Company |
NSN 4820-01-115-7059 is a Valve,check, manufactured by Pall Aeropower Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-115-7059 has 3 manufacturer part numbers on file: 145HS212-4 (Leonardo Spa Helicopters Division - Production Site), AA-A620-1D391A (Pall Aeropower Corporation), 145HS212-4 (The Boeing Company).
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.