The Valve,ball, cataloged under National Stock Number 4820-01-539-2866, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-539-2866 |
| Primary Part Number | 3593474 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL STEM |
| 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 |
|---|---|
| 3593474 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| XV510P-10-03 | 5/2 Secondary reference U.S. Government activity |
| 3593474 | 3/9 Design control — primary reference Oshkosh Corp |
NSN 4820-01-539-2866 is a Valve,ball, manufactured by Oshkosh Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-539-2866 has 1 manufacturer part number on file: 3593474 (Oshkosh Defense Llc).
Key specifications for 3593474: Style Designator: STRAIGHT THRU; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: MODY MATERIAL BRASS, BALL MATERIAL STAINLESS STEEL, STEM MATERIAL STAINLESS STEEL, HANDLE AND NUT STAINLESS STEEL, BALL SEALMATERIAL PTFE, STEM SEALS MATERIAL PTFE, MIN OPERATING TEMP NEG 50 DEG F, FLOW DATA CV 7.6 DEGF. 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.