The Seat,valve, cataloged under National Stock Number 4820-01-187-6939, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is King Nutronics Corporation Dba King Nutronics. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-187-6939 |
| Primary Part Number | 804-19-5 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | King Nutronics Corporation Dba King Nutronics |
| Status | ACTIVE |
| Body Outside Diameter | 0.457 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN |
| Seating Surface Shape | FLAT |
| Flange Seat to Disk End Height | 0.100 INCHES NOMINAL IN |
| Body Inside Diameter | 0.080 INCHES NOMINAL IN |
| Under Flange Height | 0.093 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Material | STEEL COMP 303 OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-187-6939 is a Seat,valve, manufactured by King Nutronics Corporation Dba King Nutronics, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-187-6939 has 2 cross-referenced part numbers: 804-19 (King Nutronics Corporation Dba King Nutronics), 804-19-5 (King Nutronics Corporation Dba King Nutronics).
There are 9 known substitutes for 4820-01-187-6939: 6210-00-168-0701, 5950-00-231-1164, 4730-01-123-3279 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 804-19-5: Body Outside Diameter: 0.457 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN; Seating Surface Shape: FLAT; Flange Seat to Disk End Height: 0.100 INCHES NOMINAL IN; Body Inside Diameter: 0.080 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.