The Ball,valve,ported, cataloged under National Stock Number 4820-01-210-4340, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-210-4340 |
| Primary Part Number | 298-00-204 ASSY LL 1/4IN PC15 |
| Item Name | Ball,valve,ported |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Port Diameter | 0.250 INCHES NOMINAL IN |
| Spherical Diameter | 0.798 INCHES MINIMUM AND 0.801 INCHES MAXIMUM IN |
| Port Configuration | STRAIGHT |
| Stem Accommodation Quantity | 1 |
| Port Quantity | 2 |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 298-00-204 ASSY LL 1/4IN PC15 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 298-00-204 | D/9 Drawing number reference only Circor Intl Inc |
| 298-00-204 ASSY LL 1/4IN PC15 | 5/9 Secondary reference Circor Intl Inc |
NSN 4820-01-210-4340 is a Ball,valve,ported, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-210-4340 has 1 manufacturer part number on file: 298-00-204 ASSY LL 1/4IN PC15 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 298-00-204 ASSY LL 1/4IN PC15: Port Diameter: 0.250 INCHES NOMINAL IN; Spherical Diameter: 0.798 INCHES MINIMUM AND 0.801 INCHES MAXIMUM IN; Port Configuration: STRAIGHT; Stem Accommodation Quantity: 1. 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.