The Disk,valve, cataloged under National Stock Number 4820-00-036-2045, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-036-2045 |
| Primary Part Number | VBV815 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Outside Diameter | 1.568 INCHES NOMINAL IN |
| Style Designator | PLUG |
| Seat Angle | 90.0 DEGREES NOMINAL |
| Nominal Thread Size | 0.625 INCHES IN |
| Thread Class | 2B |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| VBV815 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| VMM815 | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| VBV815 | C/1 Advisory reference — outside the item-of-supply concept Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
NSN 4820-00-036-2045 is a Disk,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-036-2045 has 1 manufacturer part number on file: VBV815 (Ashcroft Inc Dba Heise).
Key specifications for VBV815: Overall Height: 1.105 INCHES NOMINAL IN; Outside Diameter: 1.568 INCHES NOMINAL IN; Style Designator: PLUG; Seat Angle: 90.0 DEGREES NOMINAL. 7 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.