The Disk,valve, cataloged under National Stock Number 4820-01-194-7175, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-194-7175 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Outside Diameter | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Style Designator | SOLID |
| Material Document and Classification | AMS 5516 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5519 ASSN STD 2ND MATERIAL RESPONSE |
| Media for Which Designed | AIR OR LIQUID |
| Material | STEEL COMP 302 OR STEEL COMP 301 |
| 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 |
| Reference | Meaning |
|---|---|
| 2014T15P01 | 5/2 Secondary reference U.S. Government activity |
| 2014T15P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-194-7175 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-194-7175: Overall Height: 0.0045 INCHES MINIMUM AND 0.0055 INCHES MAXIMUM IN; Outside Diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Style Designator: SOLID; Material Document and Classification: AMS 5516 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5519 ASSN STD 2ND MATERIAL RESPONSE. 5 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 4820-01-194-7175 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.