The Valve,butterfly, cataloged under National Stock Number 4820-01-659-3121, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fcx Performance Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-659-3121 |
| Primary Part Number | Z011-A-AL DN150 (6") |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fcx Performance Inc |
| Status | ACTIVE |
| Flange Shape | ROUND ALL ENDS |
| Minimum Operating Temp | -4.0 FAHRENHEIT DEGF |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Valve Size | 6.00 INCHES IN |
| Maximum Operating Temp | 250.00 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 8.11 INCHES ALL ENDS IN |
| Mounting Facility | WAFER |
| Bolt Hole Quantity | 4 ALL ENDS |
| Face to Face Distance | 2.20 INCHES IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| Z011-A-AL DN150 (6") PRIMARY | Fcx Performance Inc (USA) |
| Reference | Meaning |
|---|---|
| 4164810 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 4820-01-659-3121 is a Valve,butterfly, manufactured by Fcx Performance Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-659-3121 has 1 manufacturer part number on file: Z011-A-AL DN150 (6") (Fcx Performance Inc).
Key specifications for Z011-A-AL DN150 (6"): Flange Shape: ROUND ALL ENDS; Minimum Operating Temp: -4.0 FAHRENHEIT DEGF; Connection Type: FLANGE ALL ENDS; Style Designator: STRAIGHT THRU. 11 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.