The Seat,valve, cataloged under National Stock Number 4820-01-011-3438, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 7 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-011-3438 |
| Primary Part Number | 18253 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Style Designator | PLAIN FLANGED |
| Material | STEEL CORROSION RESISTING BODY |
| Flange Seat to Disk End Height | 0.150 INCHES NOMINAL IN |
| Body Inside Diameter | 1.200 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Material | PLASTIC POLYAMIDE NYLON FACE |
| Flange Diameter | 1.600 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18253 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
NSN 4820-01-011-3438 is a Seat,valve, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-011-3438 has 1 cross-referenced part number: 18253 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).
There are 8 known substitutes for 4820-01-011-3438: 5330-00-309-7230, 5935-00-324-2449, 6515-00-351-9640 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18253: Style Designator: PLAIN FLANGED; Material: STEEL CORROSION RESISTING BODY; Flange Seat to Disk End Height: 0.150 INCHES NOMINAL IN; Body Inside Diameter: 1.200 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.