The Seat,valve, cataloged under National Stock Number 4820-01-226-1656, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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 | 4820-01-226-1656 |
| Primary Part Number | 39783G |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | ACTIVE |
| Seating Surface Shape | FLAT |
| Body Outside Diameter | 9.935 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Body Inside Diameter | 7.950 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 39783G PRIMARY | Griswold Industries Dba Cla-Val Co (USA) |
| 39783 | Griswold Industries Dba Cla-Val Co (USA) |
| 49880 PIECE 27 | Griswold Industries Dba Cla-Val Co (USA) |
NSN 4820-01-226-1656 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-226-1656 has 3 cross-referenced part numbers: 39783G (Griswold Industries Dba Cla-Val Co), 39783 (Griswold Industries Dba Cla-Val Co), 49880 PIECE 27 (Griswold Industries Dba Cla-Val Co).
There are 3 known substitutes for 4820-01-226-1656: 2810-00-037-6894, 5305-01-270-1663, 6145-01-482-0839. Verify interchangeability with system specifications before substitution.
Key specifications for 39783G: Seating Surface Shape: FLAT; Overall Height: 0.270 INCHES NOMINAL IN; Body Outside Diameter: 9.935 INCHES NOMINAL IN; Material: NICKEL ALLOY OVERALL. 5 total characteristics are documented in the Federal Logistics Information System.