The Seat,valve, cataloged under National Stock Number 4820-01-311-7428, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydrasearch Company, Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Hydrasearch Company, Llc (CAGE 32142) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-311-7428 |
| Primary Part Number | 4266-5,DCCP |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4266-5,DCCP | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4266-5,DC | 3/9 Design control — primary reference Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging |
| 4266-5,DC | C/1 Advisory reference — outside the item-of-supply concept Hydrasearch Company, Llc |
NSN 4820-01-311-7428 is a Seat,valve, manufactured by Hydrasearch Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-311-7428 has 1 manufacturer part number on file: 4266-5,DCCP (Hydrasearch Company, 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.