The Disk,valve, cataloged under National Stock Number 4820-00-142-2135, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cla-Val Canada Ltd. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-142-2135 |
| Primary Part Number | V5564K |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cla-Val Canada Ltd |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Inside Diameter | 1.625 INCHES NOMINAL IN |
| Media for Which Designed | WATER OR GASOLINE |
| Material | RUBBER |
| 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 |
|---|---|
| V5564K | Cla-Val Canada Ltd (CAN) |
| Reference | Meaning |
|---|---|
| TV5564 | 3/2 Design control — primary reference U.S. Government activity |
| 4820PL1338780 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-00-142-2135 is a Disk,valve, manufactured by Cla-Val Canada Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-142-2135 has 1 manufacturer part number on file: V5564K (Cla-Val Canada Ltd).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-271-3835. Verify interchangeability with system specifications before substitution.
Key specifications for V5564K: Overall Height: 0.261 INCHES NOMINAL IN; Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 2.500 INCHES NOMINAL IN; Style Designator: PLAIN. 6 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.