The Ball and Seat Set, cataloged under National Stock Number 4820-01-663-7332, 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 2 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-663-7332 |
| Primary Part Number | 7383858 2642-857-01-28,93L1 |
| Item Name | Ball and Seat Set |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 7383858 2642-857-01-28,93L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7285198 PC 55LI7285297 PC 13CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 2640-800X02PC55X2640-801XQIT13L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-4558795 ITEM 28,93L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2642-857-01 ITEM 28,93L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 845-4558795 ITEM 28,93 | 5/1 Secondary reference U.S. Government activity |
| 2640-800X02PC55X2640-801XQIT13 | 5/1 Secondary reference U.S. Government activity |
| 2642-857-01 ITEM 28,93 | 5/1 Secondary reference U.S. Government activity |
| 845-4558795 ITEM 28,93 | 3/1 Design control — primary reference U.S. Government activity |
| 7383858 2642-857-01-28,93 | 5/1 Secondary reference Naval Sea Systems Command |
| 7285198 PC 55LI7285297 PC 13 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-663-7332 is a Ball and Seat Set, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-663-7332 has 5 manufacturer part numbers on file: 7383858 2642-857-01-28,93L1 (Naval Inventory Control Point Mechanicsburg), 7285198 PC 55LI7285297 PC 13CP (Naval Inventory Control Point Mechanicsburg), 2640-800X02PC55X2640-801XQIT13L1 (Naval Inventory Control Point Mechanicsburg), 845-4558795 ITEM 28,93L1 (Naval Inventory Control Point Mechanicsburg), 2642-857-01 ITEM 28,93L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 7383858 2642-857-01-28,93L1: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 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.