The Valve,ball, cataloged under National Stock Number 4820-01-559-3656, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Alabama Fluid System Technologies, Inc. Dba Alabama Fluid System. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-559-3656 |
| Primary Part Number | SS43GXS4 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Alabama Fluid System Technologies, Inc. Dba Alabama Fluid System |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LEVER |
| Connection Style | GROOVED (TUBE) ALL ENDS |
| Connection Type | UNTHREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | CROSS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Operating Pressure | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| SS43GXS4 PRIMARY | Alabama Fluid System Technologies, Inc. Dba Alabama Fluid System (USA) |
NSN 4820-01-559-3656 is a Valve,ball, manufactured by Alabama Fluid System Technologies, Inc. Dba Alabama Fluid System, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-559-3656 has 1 manufacturer part number on file: SS43GXS4 (Alabama Fluid System Technologies, Inc. Dba Alabama Fluid System).
Key specifications for SS43GXS4: Furnished Items and Quantity: 1 LEVER; Connection Style: GROOVED (TUBE) ALL ENDS; Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS; Style Designator: CROSS. 9 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.