The Disk,valve, cataloged under National Stock Number 4820-01-233-4336, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-233-4336 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Pressure Rating | 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Style Designator | PLAIN |
| Material Document and Classification | KEL-F-81, GRADE 3 MFR REF SINGLE MATERIAL RESPONSE |
| Inside Diameter | 0.217 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Media for Which Designed | GAS OR OIL OR WATER |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 803-2177934-X3XX-12 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4820-01-233-4336 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-346-2007. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-233-4336: Overall Height: 0.188 INCHES NOMINAL IN; Pressure Rating: 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 0.688 INCHES NOMINAL IN; Criticality Code Justification: ZZZY. 9 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 4820-01-233-4336 has DEMIL Code F. 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.