The Valve Assembly, cataloged under National Stock Number 4820-01-262-9967, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-262-9967 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Criticality Code Justification | FEAT AND AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 405-10761-1 | 3/2 Design control — primary reference U.S. Government activity |
| 405-10761 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-262-9967 is a Valve Assembly, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-262-9967: Criticality Code Justification: FEAT AND AGAV; Special Features: VALVE ASSEMBLY; PART ON CSRL, P/N 405-1000; CONSISTS OF THE FOLLOWING PARTS: 405-10762-1, NAS 1351C3-14, NAS 1291C3M (2 PLACES), 405-10762-2 & 405-10762-501; DIMENSIONING & TOLERANCES PER ANSI Y14.5-1973; DRAWING NAME VALVE - AIR SHUT-OFF, NCULEAR STATION LOGIC UNIT; End Item Identification: B-52. 1 specification is 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 4820-01-262-9967 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.