The Valve,check, cataloged under National Stock Number 4820-01-226-5982, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 19 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 | 4820-01-226-5982 |
| Primary Part Number | 54-240F-2IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND FIRST END |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 4.438 INCHES SECOND END IN |
| Mounting Position | HORIZONTAL |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | OFFSET FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.562 INCHES SECOND END IN |
| Valve Size | 2.000 INCHES IN |
| Offset Distance | 1.000 INCHES IN |
| Nominal Outside Diameter | 6.500 INCHES FIRST END IN |
| Nominal Outside Diameter | 5.562 INCHES SECOND END IN |
| Disk Loading Method | WEIGHT |
| Bolt Hole Quantity | 6 SECOND END |
| Face to Face Distance | 3.938 INCHES IN |
| Material | COPPER ALLOY 922 OVERALL |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.438 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 54-240F-2IN PRIMARY | Tate Andale, Llc (USA) |
NSN 4820-01-226-5982 is a Valve,check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-226-5982 has 1 manufacturer part number on file: 54-240F-2IN (Tate Andale, Llc).
Key specifications for 54-240F-2IN: Flow Control Device: DISK; Flange Shape: ROUND FIRST END; Flange Shape: ROUND WITH HOLES SECOND END; Flange Face Design: PLAIN ALL ENDS. 19 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.