The Disk,valve, cataloged under National Stock Number 4820-00-900-2344, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-900-2344 |
| Primary Part Number | 845-2445066 ITEM 19 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Outside Diameter | 2.798 INCHES MINIMUM AND 2.803 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Inside Diameter | 2.065 INCHES MINIMUM AND 2.070 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2620-920X12ASSY11APC4 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2181282-3IN | Naval Sea Systems Command (USA) |
| 845-2445066 ITEM 19 PRIMARY | Naval Ship Systems Command (USA) |
| 26M77-100 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 30147 PIECE 4 | Crane Co Div Valve Div (USA) |
| 26M77-100 PC 19 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2445066 | Naval Ship Systems Command (USA) |
| 9000-2129 PIECE 4 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 9000-2129 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| DR-33512 | Crane Co Div Valve Div (USA) |
| 2181282ASSY11APC4 | Naval Ship Systems Command (USA) |
| 2620-920X12ASSY11APC4 | Hydro-Aire Aerospace Corp (USA) |
| S1616 PRIMARY | Crane Co Div Valve Div (USA) |
| DR-33512 PART 4 | Crane Co Div Valve Div (USA) |
| 2621-920-12 PIE | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 26M77-100 ITEM 19 PRIMARY | Naval Ship Systems Command (USA) |
NSN 4820-00-900-2344 is a Disk,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-900-2344 has 16 cross-referenced part numbers: 2620-920X12ASSY11APC4 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2181282-3IN (Naval Sea Systems Command), 845-2445066 ITEM 19 (Naval Ship Systems Command), 26M77-100 (Electric Boat Corporation Div General Dynamics Electric Boat), 30147 PIECE 4 (Crane Co Div Valve Div) and 11 more.
There are 12 known substitutes for 4820-00-900-2344: 5306-00-063-4998, 5305-00-225-3843, 5330-00-869-4928 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 845-2445066 ITEM 19: Outside Diameter: 2.798 INCHES MINIMUM AND 2.803 INCHES MAXIMUM IN; Overall Height: 0.162 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 2.065 INCHES MINIMUM AND 2.070 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-900-2344 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.