The Disk,valve, cataloged under National Stock Number 4820-01-188-3891, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Newterra Corporation, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-188-3891 |
| Primary Part Number | 146238 PIECE 5 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Newterra Corporation, Inc. |
| Status | ACTIVE |
| Material | COPPER 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 |
|---|---|
| 146238 PIECE 5 PRIMARY | Newterra Corporation, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 146238 | D/9 Drawing number reference only Newterra Corporation, Inc. |
NSN 4820-01-188-3891 is a Disk,valve, manufactured by Newterra Corporation, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-188-3891 has 1 manufacturer part number on file: 146238 PIECE 5 (Newterra Corporation, Inc.).
Key specifications for 146238 PIECE 5: Material: COPPER 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.