The Disk,valve, cataloged under National Stock Number 4810-01-226-5220, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4810-01-226-5220 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-763, CLASS 303, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 303 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 233311-32 | 5/9 Secondary reference U.S. Government activity |
| 233311-0032 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4810-01-226-5220 is a Disk,valve, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-01-226-5220: Overall Height: 2.250 INCHES NOMINAL IN; Material Document and Classification: QQ-S-763, CLASS 303, COND A FED SPEC SINGLE MATERIAL RESPONSE; Special Features: INCLUDES 2 LEXAN PLASTIC SLUGS AND 1 NYLON 0-RING; End Item Identification: MAROTTA,VALVE,MODEL MV121FA. 2 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.
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.