The Parts Kit,ball Valve, cataloged under National Stock Number 4820-00-057-8564, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-057-8564 |
| Primary Part Number | 2640-398X1PC28-29Q3 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2640-398X1PC28-29Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| SS845-2109850PC28-29Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2640-398X1PC28X29 | 5/1 Secondary reference U.S. Government activity |
| 2640-398X1PC28-29 | 5/1 Secondary reference U.S. Government activity |
| 845-2109850RPPC28X29Q3 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2640-398X1PC28X29Q3 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SS845-2109850PC28-29 | 3/1 Design control — primary reference U.S. Government activity |
| 845-2109850RPPC28X29 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-00-057-8564 is a Parts Kit,ball Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-057-8564 has 2 manufacturer part numbers on file: 2640-398X1PC28-29Q3 (Naval Inventory Control Point Mechanicsburg), SS845-2109850PC28-29Q3 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2640-398X1PC28-29Q3: Reference Number Differentiating Characteristics: ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS. 1 specification is 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 4820-00-057-8564 has DEMIL Code B. 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.