The Disk,valve, cataloged under National Stock Number 4820-01-287-7969, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allied Defense Industries, Llc Dba Ams Distribution. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Herose Gmbh Armaturen Und Metalle (CAGE D9233); Allied Defense Industries, Llc Dba Ams Distribution (CAGE 0GD25) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-287-7969 |
| Primary Part Number | 09-063-DNA00 ITEM 4 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Allied Defense Industries, Llc Dba Ams Distribution |
| Status | ACTIVE |
| 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 |
|---|---|
| 09-063-DNA00 ITEM 4 | Herose Gmbh Armaturen Und Metalle (DEU) |
| 09-063-DNA00 ITEM 4 PRIMARY | Allied Defense Industries, Llc Dba Ams Distribution (USA) |
| Reference | Meaning |
|---|---|
| 09-063 4IN ITEM 4 | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
| 3/7837-5036/0 | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
| 09-063 4IN ITEM 4 | 5/9 Secondary reference Bauer Compressors, Inc. |
| 3-7837-5036-0 4IN ITEM 4 | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
NSN 4820-01-287-7969 is a Disk,valve, manufactured by Allied Defense Industries, Llc Dba Ams Distribution, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-287-7969 has 2 manufacturer part numbers on file: 09-063-DNA00 ITEM 4 (Herose Gmbh Armaturen Und Metalle), 09-063-DNA00 ITEM 4 (Allied Defense Industries, Llc Dba Ams Distribution).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-288-3974. Verify interchangeability with system specifications before substitution.
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.