The Disk,valve, cataloged under National Stock Number 4820-01-233-9134, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nelson Industries Inc Universal Silencer Div. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-233-9134 |
| Primary Part Number | 1600-005-6 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nelson Industries Inc Universal Silencer Div |
| Status | ACTIVE |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE |
| 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 |
|---|---|
| 1600-005-6 | Vitok Engineers Inc (USA) |
| 1600-005-6 PRIMARY | Nelson Industries Inc Universal Silencer Div (USA) |
NSN 4820-01-233-9134 is a Disk,valve, manufactured by Nelson Industries Inc Universal Silencer Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-233-9134 has 2 manufacturer part numbers on file: 1600-005-6 (Vitok Engineers Inc), 1600-005-6 (Nelson Industries Inc Universal Silencer Div).
Key specifications for 1600-005-6: Material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE. 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.