The Disk,valve, cataloged under National Stock Number 4820-01-115-5296, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-115-5296 |
| Primary Part Number | 2620-902ASSYB 1/4IN PIECE 27 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 2620-902ASSYB 1/4IN PIECE 27 | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 845-1889587ASSYB 1/4IN PIECE27 | 5/9 Secondary reference U.S. Government activity |
| 845-1889587 | D/9 Drawing number reference only U.S. Government activity |
| 2620-902ASSYB 1/4IN PIECE 27 | 3/9 Design control — primary reference U.S. Government activity |
| 57299 | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
| 38210-B-380 | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 4820-01-115-5296 is a Disk,valve, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-115-5296 has 1 manufacturer part number on file: 2620-902ASSYB 1/4IN PIECE 27 (The Walworth Company).
Key specifications for 2620-902ASSYB 1/4IN PIECE 27: Material: NICKEL ALLOY. 1 specification is 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.