The Seat,valve, cataloged under National Stock Number 4820-00-653-3502, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, 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 | 4820-00-653-3502 |
| Primary Part Number | A7443.001.128 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Style Designator | PLAIN THREADED |
| Thread Quantity Per Inch | 12 SINGLE THREADED PORTION |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Seating Surface Shape | FLAT |
| Nominal Thread Size | 2.125 INCHES SINGLE THREADED PORTION IN |
| Body Inside Diameter | 1.500 INCHES NOMINAL IN |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Thread Length | 2.062 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A7443.001.128 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8006-29 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8043REVBPC35 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A7443.001.128 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 4824-3210032REVBPC35 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4820-00-653-3502 is a Seat,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-653-3502 has 5 cross-referenced part numbers: A7443.001.128 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8006-29 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8043REVBPC35 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A7443.001.128 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 4824-3210032REVBPC35 (Naval Sea Systems Command).
There are 3 known substitutes for 4820-00-653-3502: 5120-00-098-4483, 2530-01-559-6562, 5995-01-592-0570. Verify interchangeability with system specifications before substitution.
Key specifications for A7443.001.128: Style Designator: PLAIN THREADED; Thread Quantity Per Inch: 12 SINGLE THREADED PORTION; Thread Class: 2A SINGLE THREADED PORTION A; Seating Surface Shape: FLAT. 10 total characteristics are documented in the Federal Logistics Information System.