The Seat,valve, cataloged under National Stock Number 4820-01-213-7406, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-213-7406 |
| Primary Part Number | 27642 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc |
| Status | ACTIVE |
| Seating Surface Shape | FLAT |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 17-4PH OVERALL |
| Style Designator | PLAIN FLANGED |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| FSC Application Data | ACFT ENG FUEL SYSTEM COMPONENTS |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Seat to Disk End Height | 0.1315 INCHES NOMINAL IN |
| Body Outside Diameter | 0.309 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.187 INCHES NOMINAL IN |
| Under Flange Height | 0.099 INCHES NOMINAL IN |
| Flange Diameter | 0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 27642 PRIMARY | Eaton Aerospace Llc (USA) |
NSN 4820-01-213-7406 is a Seat,valve, manufactured by Eaton Aerospace Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-213-7406 has 1 cross-referenced part number: 27642 (Eaton Aerospace Llc).
There are 6 known substitutes for 4820-01-213-7406: 5950-00-660-4644, 4730-01-130-8562, 5995-01-149-2632 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 27642: End Item Identification: CARTRIDGE VALVE,P/N 13172; Seating Surface Shape: FLAT; Material Document and Classification: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 17-4PH OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.