The Seat,valve, cataloged under National Stock Number 4820-00-050-7670, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-050-7670 |
| Primary Part Number | 81088 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hydro-Aire Aerospace Corp |
| Status | ACTIVE |
| Under Flange Height | 0.225 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.135 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.328 INCHES NOMINAL IN |
| Style Designator | FAUCET |
| Flange Seat to Disk End Height | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| FSC Application Data | MANIFOLD,HYDRAULIC SYSTEM ACCESSORIES,ACFT |
| Seating Surface Shape | FLAT |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM BODY |
| Seal Accommodation Type | GROOVED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 81088 PRIMARY | Hydro-Aire Aerospace Corp (USA) |
NSN 4820-00-050-7670 is a Seat,valve, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-050-7670 has 1 cross-referenced part number: 81088 (Hydro-Aire Aerospace Corp).
There are 3 known substitutes for 4820-00-050-7670: 5970-00-038-0217, 5310-01-135-0907, 7510-01-504-7391. Verify interchangeability with system specifications before substitution.
Key specifications for 81088: Under Flange Height: 0.225 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN; Body Inside Diameter: 0.135 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN; Body Outside Diameter: 0.328 INCHES NOMINAL IN; Style Designator: FAUCET. 12 total characteristics are documented in the Federal Logistics Information System.