The Seat,valve, cataloged under National Stock Number 4820-01-452-2258, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering. Government technical data includes 3 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 | 4820-01-452-2258 |
| Primary Part Number | 106864-2 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering |
| Status | ACTIVE |
| Style Designator | PLAIN FLANGED |
| Material | NICKEL ALLOY BODY |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 106864-2 PRIMARY | Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering (USA) |
NSN 4820-01-452-2258 is a Seat,valve, manufactured by Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-452-2258 has 1 manufacturer part number on file: 106864-2 (Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering).
Key specifications for 106864-2: Style Designator: PLAIN FLANGED; Material: NICKEL ALLOY BODY; Seating Surface Shape: FLAT. 3 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.