The Disk,valve, cataloged under National Stock Number 4820-01-324-2184, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-324-2184 |
| Primary Part Number | 32813 143 1/2U PC 4B 21/2IN |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Outside Diameter | 2.460 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN |
| Style Designator | PLUG |
| Thread Pitch Diameters | +1.3820 TO 1.4590 INCHES IN |
| Nominal Thread Size | 1.438 INCHES IN |
| Seat Radius | 0.250 INCHES NOMINAL IN |
| Media for Which Designed | WATER |
| Thread Quantity Per Inch | 14 |
| Material | STEEL |
| Thread Series Designator | UNS |
| 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 |
|---|---|
| 32813 143 1/2U PC 4B 21/2IN PRIMARY | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 32813 143 1/2U | C/1 Advisory reference — outside the item-of-supply concept Crane Co Div Valve Div |
| 32813 | D/9 Drawing number reference only Crane Co Div Valve Div |
NSN 4820-01-324-2184 is a Disk,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-324-2184 has 1 manufacturer part number on file: 32813 143 1/2U PC 4B 21/2IN (Crane Co Div Valve Div).
Key specifications for 32813 143 1/2U PC 4B 21/2IN: Overall Height: 2.375 INCHES NOMINAL IN; Outside Diameter: 2.460 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN; Style Designator: PLUG; Thread Pitch Diameters: +1.3820 TO 1.4590 INCHES IN. 9 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.