The Disk,valve, cataloged under National Stock Number 4820-00-059-9998, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Betts Industries, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-059-9998 |
| Primary Part Number | WD101-3BN |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Betts Industries, Inc. |
| Status | ACTIVE |
| Outside Diameter | 3.400 INCHES NOMINAL IN |
| Style Designator | SOLID |
| Material | STEEL AND RUBBER SYNTHETIC |
| 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 |
|---|---|
| WD101-3BN PRIMARY | Betts Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 101-3BN | 5/9 Secondary reference Betts Industries, Inc. |
NSN 4820-00-059-9998 is a Disk,valve, manufactured by Betts Industries, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-059-9998 has 1 manufacturer part number on file: WD101-3BN (Betts Industries, Inc.).
Key specifications for WD101-3BN: Overall Height: 0.300 INCHES NOMINAL IN; Outside Diameter: 3.400 INCHES NOMINAL IN; Style Designator: SOLID; Special Features: ITEM HAS TWO SQUARE HOLES ON OUTER PERIPHERY 0.500 IN. BY 0.500 IN. 0.700 IN. DEPTH IN. 3 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.