The Valve,stop-Check, cataloged under National Stock Number 4820-01-416-9866, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-416-9866 |
| Primary Part Number | 54-221F 2IN |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PLUGGED DRAIN |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 2.000 INCHES IN |
| Second Connection Face to Centerline Distance | 7.000 INCHES IN |
| Nominal Outside Diameter | 6.500 INCHES FIRST END IN |
| Nominal Outside Diameter | 5.562 INCHES SECOND END IN |
| First Connection Face to Centerline Distance | 4.000 INCHES IN |
| Material | NICKEL ALLOY STEM |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 BODY |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| 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 |
|---|---|
| 54-221F 2IN PRIMARY | Tate Andale, Llc (USA) |
| 4-430 2IN | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 54-221F 2IN | C/1 Advisory reference — outside the item-of-supply concept American Water Works Association |
NSN 4820-01-416-9866 is a Valve,stop-Check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-416-9866 has 2 manufacturer part numbers on file: 54-221F 2IN (Tate Andale, Llc), 4-430 2IN (Tate Andale, Llc).
Key specifications for 54-221F 2IN: Furnished Items and Quantity: 1 PLUGGED DRAIN; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE ALL ENDS; Style Designator: STRAIGHT THRU FLANGED ENDS. 13 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.