The Disk,valve, cataloged under National Stock Number 4820-01-239-9227, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-239-9227 |
| Primary Part Number | DB19327-4IN |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| Style Designator | SOLID WEDGE |
| Material | STEEL |
| 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 |
|---|---|
| DB19327-4IN PRIMARY | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 32857 | D/9 Drawing number reference only Crane Co Div Valve Div |
| 32857 PIECE 4 4IN | 5/9 Secondary reference Crane Co Div Valve Div |
| 471-2U 4IN DISC | 5/9 Secondary reference Crane Co Div Valve Div |
| B-105137 | D/9 Drawing number reference only Crane Co Flomatics Div |
NSN 4820-01-239-9227 is a Disk,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-239-9227 has 1 manufacturer part number on file: DB19327-4IN (Crane Co Div Valve Div).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-459-3396, 5305-01-543-7869. Verify interchangeability with system specifications before substitution.
Key specifications for DB19327-4IN: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 500.0 FAHRENHEIT NOMINAL DEGF; Style Designator: SOLID WEDGE; Material: STEEL. 4 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.