The Valve,check, cataloged under National Stock Number 4820-01-296-2333, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sullair Corp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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 | 4820-01-296-2333 |
| Primary Part Number | 405092 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sullair Corp |
| Status | ACTIVE |
| Valve Size | 2.500 INCHES IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 2.500 INCHES ALL ENDS IN |
| Material | STEEL BODY |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 405092 PRIMARY | Sullair Corp (USA) |
NSN 4820-01-296-2333 is a Valve,check, manufactured by Sullair Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-296-2333 has 1 manufacturer part number on file: 405092 (Sullair Corp).
Key specifications for 405092: Valve Size: 2.500 INCHES IN; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 2.500 INCHES ALL ENDS IN; Material: STEEL BODY. 6 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.