The Disk,valve, cataloged under National Stock Number 4820-01-536-1478, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-536-1478 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Specification/standard Data | 81346 - ASTM B 62 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| S-134 PT 11 1.25IN | 5/9 Secondary reference Nibco Inc |
| T023521 | 5/9 Secondary reference Nibco Inc. |
| T023521 FC | 3/9 Design control — primary reference Nibco Inc |
NSN 4820-01-536-1478 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-536-1478: Specification/standard Data: 81346 - ASTM B 62 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Special Features: SOLID STYLE WEDGE FOR 1.25 INCH GATE VALVE IN; Part Name Assigned by Controlling Agency: WEDGE; End Item Identification: 4820-01-399-0052; VALVE, GATE 1.25IN IN. 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.