The Valve,butterfly, cataloged under National Stock Number 4820-01-533-4197, 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5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-533-4197 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A182, GRADE F 316 NATIONAL SPEC 1ST MATERIAL RESPONSE AND ASTM A351, GRADE CF8M NATIONAL SPEC 2ND MATERIAL RESPONSE BODY |
| Valve Size | 2.000 INCHES IN |
| Material | STEEL CORROSION RESISTING BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| NW102-0500 | D/9 Drawing number reference only Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging |
| NW102-0500 P/N 02-1WA-291FGF-3MG | 5/9 Secondary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
| 02-1WA-291FGF-3MG | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
NSN 4820-01-533-4197 is a Valve,butterfly, classified under FSC 4820, Valves, Nonpowered. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-533-4343, 4820-01-540-9496. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-533-4197: Style Designator: STRAIGHT THRU; Material Document and Classification: ASTM A182, GRADE F 316 NATIONAL SPEC 1ST MATERIAL RESPONSE AND ASTM A351, GRADE CF8M NATIONAL SPEC 2ND MATERIAL RESPONSE BODY; Valve Size: 2.000 INCHES IN; Part Name Assigned by Controlling Agency: 2" CLASS 150 WAFER TYPE FIRE FLOW BUTTERFLY VALVE. 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.
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.