The Ball,check, cataloged under National Stock Number 4820-01-672-4779, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ball,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950); Mission Systems Orchard Park Inc (CAGE 04577) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-672-4779 |
| Primary Part Number | 7550478-3423-3001-3-14D4 |
| Item Name | Ball,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| 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 |
|---|---|
| 7550478-3423-3001-3-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-4001-4-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-3001-3-14 | Mission Systems Orchard Park Inc (USA) |
| G547-0002-3423-3001-3-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-4001 ITEM 14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1045-0010-311D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-3423-4001-4-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-3001-3-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-3423-4001 ITEM 4-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-3423-3001 ITEM 3-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-3001 ITEM 14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-3423-4001-4-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-3001 ITEM 14 | Mission Systems Orchard Park Inc (USA) |
| 3423-4001-4-14 | Mission Systems Orchard Park Inc (USA) |
| 3423-4001 ITEM 14 | Mission Systems Orchard Park Inc (USA) |
| H547-0001-3423-3001 ITEM 3-14D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 1045-0010-311 | 5/1 Secondary reference Mission Systems Orchard Park Inc |
| 7383858-3423-3001 ITEM 3-14 | 3/1 Design control — primary reference Naval Sea Systems Command |
| G547-0002-3423-4001-4-14 | 5/2 Secondary reference U.S. Government activity |
| 7383858-3423-4001 ITEM 4-14 | 5/1 Secondary reference Naval Sea Systems Command |
| H547-0001-3423-3001 ITEM 3-14 | 5/2 Secondary reference U.S. Government activity |
| 7550478-3423-4001-4-14 | 5/1 Secondary reference Naval Sea Systems Command |
| G547-0002-3423-3001-3-14 | 5/2 Secondary reference U.S. Government activity |
| 7550478-3423-3001-3-14 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-672-4779 is a Ball,check, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-672-4779 has 16 manufacturer part numbers on file: 7550478-3423-3001-3-14D4 (Naval Inventory Control Point Mechanicsburg), 3423-4001-4-14D4 (Naval Inventory Control Point Mechanicsburg), 3423-3001-3-14 (Mission Systems Orchard Park Inc), G547-0002-3423-3001-3-14D4 (Naval Inventory Control Point Mechanicsburg), 3423-4001 ITEM 14D4 (Naval Inventory Control Point Mechanicsburg) and 11 more.
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.