The Seat,valve, cataloged under National Stock Number 4820-00-083-4095, 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 12 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-083-4095 |
| Primary Part Number | 19345 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| Body Inside Diameter | 0.083 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Flange Diameter | 0.347 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| FSC Application Data | VALVE,LINEAR,DIRECTIONAL CONTROL,HYDRAULIC SYSTEM,AIRCRAFT |
| Seating Surface Shape | FLAT |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | QQ-S-764 TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Under Flange Height | 0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Flange Seat to Disk End Height | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-083-4095 is a Seat,valve, manufactured by Mid-America Aerotech, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-083-4095 has 4 cross-referenced part numbers: 19345 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 19345 (Mid-America Aerotech, Llc), 19345 (Moog Inc), 19345 (E-Systems Inc Montek Div Fluid Controls Opns).
There are 3 known substitutes for 4820-00-083-4095: 5360-00-332-1373, 5340-01-555-6123, 4720-01-565-4199. Verify interchangeability with system specifications before substitution.
Key specifications for 19345: Body Inside Diameter: 0.083 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Flange Diameter: 0.347 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN; FSC Application Data: VALVE,LINEAR,DIRECTIONAL CONTROL,HYDRAULIC SYSTEM,AIRCRAFT; Seating Surface Shape: FLAT. 12 total characteristics are documented in the Federal Logistics Information System.