The Ball and Seat Assembly, cataloged under National Stock Number 4820-01-058-2015, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Portland Valve Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-058-2015 |
| Primary Part Number | 2640-800X2PC87X2640-801X3PC9 |
| Item Name | Ball and Seat Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2640-800X2PC87X2640-801X3PC9 | Portland Valve Llc (USA) |
| Reference | Meaning |
|---|---|
| 2640-800X2PC87X2640-801X3PC9 | 3/1 Design control — primary reference U.S. Government activity |
| 845-4558781 ITEM 11,12 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-058-2015 is a Ball and Seat Assembly, manufactured by Portland Valve Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-058-2015 has 1 manufacturer part number on file: 2640-800X2PC87X2640-801X3PC9 (Portland Valve Llc).
Key specifications for 2640-800X2PC87X2640-801X3PC9: End Item Identification: VALVE B 3WAY 2.50 IPS 700PSI BTWLD NICOP. 0 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.
NSN 4820-01-058-2015 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.