The Ring,disk,stem,valve, cataloged under National Stock Number 4820-01-116-3793, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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 | 4820-01-116-3793 |
| Primary Part Number | 2620-920X12 PIECE 8 4IN |
| Item Name | Ring,disk,stem,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL COPPER ALLOY; 3.500 IN. DIA IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 845-2181282 PIECE 8 4IN | Naval Ship Systems Command (USA) |
| 2620-920X12 PIECE 8 4IN PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-920X12 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2181282 | Naval Ship Systems Command (USA) |
NSN 4820-01-116-3793 is a Ring,disk,stem,valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-116-3793 has 4 cross-referenced part numbers: 845-2181282 PIECE 8 4IN (Naval Ship Systems Command), 2620-920X12 PIECE 8 4IN (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-920X12 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2181282 (Naval Ship Systems Command).
There are 12 known substitutes for 4820-01-116-3793: 4820-01-061-5106, 5360-01-068-7326, 4820-01-082-8833 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2620-920X12 PIECE 8 4IN: General Characteristics Item Description: NICKEL COPPER ALLOY; 3.500 IN. DIA IN. 1 total characteristics are documented in the Federal Logistics Information System.