The Seat,valve, cataloged under National Stock Number 4820-00-083-4224, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-083-4224 |
| Primary Part Number | 19357 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| Body Outside Diameter | 0.827 INCHES NOMINAL IN |
| Body Inside Diameter | 0.520 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Seal Accommodation Type | BEADED |
| Style Designator | PLAIN FLANGED |
| Under Flange Height | 0.141 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.212 INCHES NOMINAL IN |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Seating Surface Shape | FLAT |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Diameter | 0.934 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-083-4224 is a Seat,valve, manufactured by Mid-America Aerotech, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-083-4224 has 4 cross-referenced part numbers: 19357 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 19357 (E-Systems Inc Montek Div Fluid Controls Opns), 19357 (Mid-America Aerotech, Llc), 19357 (Moog Inc).
There are 2 known substitutes for 4820-00-083-4224: 5331-01-005-4053, 5330-01-304-3482. Verify interchangeability with system specifications before substitution.
Key specifications for 19357: Body Outside Diameter: 0.827 INCHES NOMINAL IN; Body Inside Diameter: 0.520 INCHES NOMINAL IN; Material: STEEL OVERALL; Seal Accommodation Type: BEADED. 11 total characteristics are documented in the Federal Logistics Information System.