The Disk,valve, cataloged under National Stock Number 4820-01-122-5168, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-122-5168 |
| Primary Part Number | 845-2110235 PIECE 25 1/2IN |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.350 INCHES NOMINAL IN |
| Under Flange Height | 0.640 INCHES NOMINAL IN |
| Inside Diameter | 1.050 INCHES NOMINAL IN |
| Style Designator | SWING CHECK |
| Material | ALUMINUM ALLOY AND COPPER ALLOY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 845-2110235 PIECE 25 1/2IN PRIMARY | Naval Ship Systems Command (USA) |
| 845-2110235 | Naval Ship Systems Command (USA) |
| 2620-927X1 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-927X1 PIECE 25 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-927X1 PIECE 25 | National Oilwell (USA) |
| S90066/300450 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-122-5168 is a Disk,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-122-5168 has 6 cross-referenced part numbers: 845-2110235 PIECE 25 1/2IN (Naval Ship Systems Command), 845-2110235 (Naval Ship Systems Command), 2620-927X1 (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-927X1 PIECE 25 (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-927X1 PIECE 25 (National Oilwell) and 1 more.
There are 6 known substitutes for 4820-01-122-5168: 4820-01-062-8563, 4820-01-062-8667, 4820-01-133-2290 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 845-2110235 PIECE 25 1/2IN: Outside Diameter: 1.500 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.350 INCHES NOMINAL IN; Under Flange Height: 0.640 INCHES NOMINAL IN; Inside Diameter: 1.050 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.