The Seat,valve, cataloged under National Stock Number 4820-00-336-9272, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 17 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 | 4820-00-336-9272 |
| Primary Part Number | VJ867 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 2.125 INCHES NOMINAL IN |
| Flange Diameter | 2.625 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL FIRST THREADED PORTION IN |
| Thread Length | 0.750 INCHES NOMINAL SECOND THREADED PORTION IN |
| Style Designator | FAUCET |
| Body Inside Diameter | 1.188 INCHES NOMINAL IN |
| Nominal Thread Size | 1.875 INCHES FIRST THREADED PORTION IN |
| Nominal Thread Size | 2.625 INCHES SECOND THREADED PORTION IN |
| Under Flange Height | 0.625 INCHES NOMINAL IN |
| Thread Class | 2A SECOND THREADED PORTION A |
| Thread Class | 2A FIRST THREADED PORTION A |
| Thread Quantity Per Inch | 16 FIRST THREADED PORTION |
| Thread Quantity Per Inch | 16 SECOND THREADED PORTION |
| Material | STEEL OVERALL |
| Thread Series Designator | UN SECOND THREADED PORTION |
| Thread Series Designator | UN FIRST THREADED PORTION |
| 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 |
|---|---|
| VJ867 PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 4820-00-336-9272 is a Seat,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-336-9272 has 1 manufacturer part number on file: VJ867 (Ashcroft Inc Dba Heise).
Key specifications for VJ867: Flange Seat to Disk End Height: 2.125 INCHES NOMINAL IN; Flange Diameter: 2.625 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL FIRST THREADED PORTION IN; Thread Length: 0.750 INCHES NOMINAL SECOND THREADED PORTION IN. 17 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.