The Seat,valve, cataloged under National Stock Number 4820-00-050-7672, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-050-7672 |
| Primary Part Number | 81136 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hydro-Aire Aerospace Corp |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| FSC Application Data | MANIFOLD,HYDRAULIC SYSTEM ACCESSORIES,ACFT |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Diameter | 0.328 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Flange Seat to Disk End Height | 0.184 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN |
| Seating Surface Shape | FLAT |
| Under Flange Height | 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Body Outside Diameter | 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 81136 PRIMARY | Hydro-Aire Aerospace Corp (USA) |
NSN 4820-00-050-7672 is a Seat,valve, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-050-7672 has 1 cross-referenced part number: 81136 (Hydro-Aire Aerospace Corp).
There are 5 known substitutes for 4820-00-050-7672: 5210-00-062-4493, 5995-00-408-2154, 6680-00-922-5406 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 81136: Material: STEEL OVERALL; FSC Application Data: MANIFOLD,HYDRAULIC SYSTEM ACCESSORIES,ACFT; Surface Treatment: PASSIVATE OVERALL; Flange Diameter: 0.328 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.