The Disk,valve, cataloged under National Stock Number 4820-01-284-2133, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Stahl-Armaturen Persta Gmbh (CAGE C2671); Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-284-2133 |
| Primary Part Number | 20021100 POS 2PN16 DN80 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 20021100 POS 2PN16 DN80 | Stahl-Armaturen Persta Gmbh (DEU) |
| 20021100 POS 2PN16 DN80 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 20021100 POS 2 | C/1 Advisory reference — outside the item-of-supply concept Stahl-Armaturen Persta Gmbh |
NSN 4820-01-284-2133 is a Disk,valve, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-284-2133 has 2 manufacturer part numbers on file: 20021100 POS 2PN16 DN80 (Stahl-Armaturen Persta Gmbh), 20021100 POS 2PN16 DN80 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
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.