The Disk,rupturable, cataloged under National Stock Number 4820-00-353-4732, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is King Nutronics Corporation Dba King Nutronics. Government technical data includes 3 specifications, 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-353-4732 |
| Primary Part Number | 201686 |
| Item Name | Disk,rupturable |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | King Nutronics Corporation Dba King Nutronics |
| Status | ACTIVE |
| Disk Material | COPPER ALLOY |
| Cross-Sectional Shape | FLAT |
| Disk Size | 0.550 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 201686 PRIMARY | King Nutronics Corporation Dba King Nutronics (USA) |
NSN 4820-00-353-4732 is a Disk,rupturable, manufactured by King Nutronics Corporation Dba King Nutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-353-4732 has 1 manufacturer part number on file: 201686 (King Nutronics Corporation Dba King Nutronics).
3 possible matches (shared part number, not a government interchangeability claim): 5340-00-370-4182, 4820-01-022-9283, 5305-01-296-7762. Verify interchangeability with system specifications before substitution.
Key specifications for 201686: Disk Material: COPPER ALLOY; Cross-Sectional Shape: FLAT; Disk Size: 0.550 INCHES IN. 3 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 4820-00-353-4732 has DEMIL Code Q. 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.