The Float,valve, cataloged under National Stock Number 4820-01-487-1140, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Armstrong International Inc Dba Armstrong Machine Works. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-487-1140 |
| Primary Part Number | A15826 |
| Item Name | Float,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Armstrong International Inc Dba Armstrong Machine Works |
| Status | ACTIVE |
| Shape | OVAL |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| A15826 PRIMARY | Armstrong International Inc Dba Armstrong Machine Works (USA) |
| Reference | Meaning |
|---|---|
| 6AV-ITEM 2-(AV) | C/1 Advisory reference — outside the item-of-supply concept Armstrong International Inc Dba Armstrong Machine Works |
NSN 4820-01-487-1140 is a Float,valve, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-487-1140 has 1 manufacturer part number on file: A15826 (Armstrong International Inc Dba Armstrong Machine Works).
Key specifications for A15826: Shape: OVAL; Special Features: NEXT HIGHER ASSEMBLY 4820-01-483-1542, FLOAT VALVE, P/N 6AV, 1.5 INCH CONNECTIONS, 1-1/16 INCHES ORIFICE. THE WEIGHT OF THIS FLOAT IS 73.5 OZ AND HAS A SPECIFIC GRAVITY OF 1.00 WHICH SETS THE OPERATING PRESSURE OF THIS VALVE AT 22.0 PSI. OZ; End Item Identification: W/S DESIGNATOR NIMITZ CLASS CVN; Material: STEEL CORROSION RESISTING. 2 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.