The Valve,check, cataloged under National Stock Number 4820-01-507-6718, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Transdigm Inc Div Adelwiggins Group (CAGE 21392) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-507-6718 |
| Primary Part Number | A-3036-3 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| A-3036-3 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| Reference | Meaning |
|---|---|
| 3-43933-3 | 5/9 Secondary reference U.S. Government activity |
| A-3036-3 | 5/9 Secondary reference Preece Inc Decca Valves Div |
| 3-43933-3 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 2504 | 5/9 Secondary reference U.S. Government activity |
| 3-43933-3 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-507-6718 is a Valve,check, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-507-6718 has 1 manufacturer part number on file: A-3036-3 (Transdigm Inc Div Adelwiggins Group).
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.