The Disk,valve, cataloged under National Stock Number 4820-01-161-5190, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-161-5190 |
| Primary Part Number | 26M77-100 PIECE 20 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE |
| Pressure Rating | 1000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 3.774 INCHES NOMINAL IN |
| Inside Diameter | 2.884 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 26M77-100 PIECE 20 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2445066 PIECE 20 PRIMARY | Naval Ship Systems Command (USA) |
| 26M77-100 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2445066 | Naval Ship Systems Command (USA) |
| 845-2445066 PIE | Naval Sea Systems Command (USA) |
NSN 4820-01-161-5190 is a Disk,valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-161-5190 has 5 cross-referenced part numbers: 26M77-100 PIECE 20 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2445066 PIECE 20 (Naval Ship Systems Command), 26M77-100 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2445066 (Naval Ship Systems Command), 845-2445066 PIE (Naval Sea Systems Command).
There are 12 known substitutes for 4820-01-161-5190: 4820-00-900-2344, 4820-01-092-0343, 4820-01-121-2903 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 26M77-100 PIECE 20: Material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE; Overall Height: 0.157 INCHES NOMINAL IN; Pressure Rating: 1000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 3.774 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.