The Valve,check, cataloged under National Stock Number 4820-01-656-1167, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kingsbury Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Kingsbury Inc. (CAGE 75333); Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (CAGE 0ASY6) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-656-1167 |
| Primary Part Number | 469852-006 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kingsbury Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 469852-006 PRIMARY | Kingsbury Inc. (USA) |
| M1055A PRIMARY | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| Reference | Meaning |
|---|---|
| 469852 PART NO. 1 | C/1 Advisory reference — outside the item-of-supply concept Kingsbury Inc. |
| 469118 PART NO. 17 | C/1 Advisory reference — outside the item-of-supply concept Kingsbury Inc. |
NSN 4820-01-656-1167 is a Valve,check, manufactured by Kingsbury Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-656-1167 has 2 manufacturer part numbers on file: 469852-006 (Kingsbury Inc.), M1055A (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).
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.