The Valve Assembly,sole, cataloged under National Stock Number 5840-00-565-1797, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Automatic Switch Company Dba Asco. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-00-565-1797 |
| Primary Part Number | 8320A833U |
| Item Name | Valve Assembly,sole |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8320B83/120 | Automatic Switch Company Dba Asco (USA) |
| 8320B83 | Automatic Switch Company Dba Asco (USA) |
| 8320A833U PRIMARY | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| 3281-1001P3 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
| BDP5389 | C/1 Advisory reference — outside the item-of-supply concept Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| 24815-8 | C/1 Advisory reference — outside the item-of-supply concept Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
NSN 5840-00-565-1797 is a Valve Assembly,sole, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-00-565-1797 has 3 manufacturer part numbers on file: 8320B83/120 (Automatic Switch Company Dba Asco), 8320B83 (Automatic Switch Company Dba Asco), 8320A833U (Automatic Switch Company Dba Asco).
Key specifications for 8320A833U: End Item Identification: AIR ROUTE SURVEILLANCE RADAR 2. 0 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.
NSN 5840-00-565-1797 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.
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.