The Float,valve, cataloged under National Stock Number 4820-01-082-3590, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sioux Corporation Dba Sioux Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-082-3590 |
| Primary Part Number | FT00658 |
| Item Name | Float,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sioux Corporation Dba Sioux Corp |
| Status | ACTIVE |
| Connection Type | THREADED |
| Quantity | 1 |
| Shape | OVAL |
| Thread Location | INTERNAL |
| System for Which Designed | OPEN |
| Material | PLASTIC |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| FT00658 PRIMARY | Sioux Corporation Dba Sioux Corp (USA) |
| Reference | Meaning |
|---|---|
| 3D5B-1 &3D5E | 5/9 Secondary reference Sioux Corporation Dba Sioux Corp |
| PF45ANDR450-5IN | 5/9 Secondary reference Robert Manufacturing Company Inc |
| 3D5B | 5/9 Secondary reference Sioux Corporation Dba Sioux Corp |
NSN 4820-01-082-3590 is a Float,valve, manufactured by Sioux Corporation Dba Sioux Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-082-3590 has 1 manufacturer part number on file: FT00658 (Sioux Corporation Dba Sioux Corp).
Key specifications for FT00658: Connection Type: THREADED; Quantity: 1; Shape: OVAL; Overall Length: 5.250 INCHES NOMINAL IN. 7 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.