The Poppet Assembly, cataloged under National Stock Number 4820-01-011-4384, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-011-4384 |
| Primary Part Number | 18281 |
| Item Name | Poppet Assembly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS BODY W/SPRING LOADED POPPET AND MANUAL ACTUATOR BUTTON,0.625-18 UNF EXTERNAL MTG THD,1.725 IN. O/A LG IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18281 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| P40-433 PIECE 41 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
NSN 4820-01-011-4384 is a Poppet Assembly, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-011-4384 has 2 cross-referenced part numbers: 18281 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), P40-433 PIECE 41 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).
There are 7 known substitutes for 4820-01-011-4384: 4710-00-065-5317, 5950-00-295-8045, 4820-00-623-9083 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18281: General Characteristics Item Description: BRASS BODY W/SPRING LOADED POPPET AND MANUAL ACTUATOR BUTTON,0.625-18 UNF EXTERNAL MTG THD,1.725 IN. O/A LG IN. 1 total characteristics are documented in the Federal Logistics Information System.