The Insert,valve, cataloged under National Stock Number 4820-01-190-9865, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-190-9865 |
| Primary Part Number | 845-4558793 ITEM 5L1 |
| Item Name | Insert,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 | X |
| Part Number | Manufacturer |
|---|---|
| 845-4558793 ITEM 5L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 4558772-004L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 845-4558793 ITEM 5 | 5/1 Secondary reference U.S. Government activity |
| 4558772-004A | 3/2 Design control — primary reference U.S. Government activity |
| 845-4558772 ITEM 4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-190-9865 is a Insert,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-190-9865 has 2 manufacturer part numbers on file: 845-4558793 ITEM 5L1 (Naval Inventory Control Point Mechanicsburg), 4558772-004L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 845-4558793 ITEM 5L1: End Item Identification: VALVE B COMBN .50IPS 3000PSI. 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.
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.