The Seat,valve, cataloged under National Stock Number 4820-01-549-5993, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-549-5993 |
| Primary Part Number | 845-1889587PC4,1/2IN |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Material | NICKEL ALLOY SEAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 845-1889587PC4,1/2IN PRIMARY | Naval Ship Systems Command (USA) |
| 1889587 | Naval Ship Systems Command (USA) |
NSN 4820-01-549-5993 is a Seat,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-549-5993 has 2 cross-referenced part numbers: 845-1889587PC4,1/2IN (Naval Ship Systems Command), 1889587 (Naval Ship Systems Command).
There are 3 known substitutes for 4820-01-549-5993: 4820-00-261-9687, 4820-01-022-7635, 4820-01-156-8235. Verify interchangeability with system specifications before substitution.
Key specifications for 845-1889587PC4,1/2IN: Material: NICKEL ALLOY SEAT; End Item Identification: MOORED TRAINING SHIP. 2 total characteristics are documented in the Federal Logistics Information System.