The Seat,valve, cataloged under National Stock Number 4820-01-016-4203, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-016-4203 |
| Primary Part Number | 33554 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Seal Accommodation Type | GROOVED |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Style Designator | PLAIN |
| Seating Surface Shape | FLAT |
| Body Outside Diameter | 0.624 INCHES NOMINAL IN |
| Body Stepped Inside Diameter | 0.095 INCHES NOMINAL FIRST STEP IN |
| Body Stepped Inside Diameter | 0.238 INCHES NOMINAL SECOND STEP IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 33554 PRIMARY | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
NSN 4820-01-016-4203 is a Seat,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-016-4203 has 1 cross-referenced part number: 33554 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).
There are 5 known substitutes for 4820-01-016-4203: 5330-00-074-1925, 5950-00-872-4371, 4820-01-287-4877 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 33554: Seal Accommodation Type: GROOVED; Material: PLASTIC POLYAMIDE NYLON OVERALL; Style Designator: PLAIN; Seating Surface Shape: FLAT. 8 total characteristics are documented in the Federal Logistics Information System.