The Retainer,seat,valve, cataloged under National Stock Number 4820-01-644-0413, 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 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-644-0413 |
| Primary Part Number | 7383858-3423-4001 ITEM 4-10L1 |
| Item Name | Retainer,seat,valve |
| 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 |
|---|---|
| 7383858-3423-4001 ITEM 4-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-3001-3-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-3423-4001-4-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-3423-4001-4-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1970 090-14-1124 ITEM 10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-3423-3001-1 ITEM 3-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-3423-3001-1 IT 3-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-3001 ITEM 10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-3423-3001-3-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-3423-3001-3-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-4001 ITEM 10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1970-590-009-3L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3423-4001-4-10L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 3423-3001 ITEM 10 | 5/1 Secondary reference U.S. Government activity |
| 1970 090-14-1124 ITEM 10 | 5/1 Secondary reference Carleton Technologies Inc Div Tampa Facility |
| 7383858-3423-3001-1 ITEM 3-10 | 5/1 Secondary reference Naval Sea Systems Command |
| 3423-3001-3-10 | 5/1 Secondary reference Mission Systems Orchard Park Inc |
| H547-0001-3423-3001-1 ITEM 3-10 | 5/1 Secondary reference U.S. Government activity |
| 3423-4001-4-10 | 5/1 Secondary reference Mission Systems Orchard Park Inc |
| G547-0002-3423-3001-3-10 | 5/1 Secondary reference U.S. Government activity |
| G547-0002-3423-4001-4-10 | 5/1 Secondary reference U.S. Government activity |
| 1970-590-009-3 | 5/1 Secondary reference Mission Systems Orchard Park Inc |
| 3423-4001 ITEM 10 | 3/1 Design control — primary reference Mission Systems Orchard Park Inc |
| 7383858-3423-4001 ITEM 4-10 | 5/1 Secondary reference Naval Sea Systems Command |
| 7550478-3423-4001-4-10 | 5/1 Secondary reference Naval Sea Systems Command |
| 7550478-3423-3001-3-10 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-644-0413 is a Retainer,seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-644-0413 has 13 manufacturer part numbers on file: 7383858-3423-4001 ITEM 4-10L1 (Naval Inventory Control Point Mechanicsburg), 3423-3001-3-10L1 (Naval Inventory Control Point Mechanicsburg), 7550478-3423-4001-4-10L1 (Naval Inventory Control Point Mechanicsburg), G547-0002-3423-4001-4-10L1 (Naval Inventory Control Point Mechanicsburg), 1970 090-14-1124 ITEM 10L1 (Naval Inventory Control Point Mechanicsburg) and 8 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.