The Seat,valve, cataloged under National Stock Number 4820-01-407-9317, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-407-9317 |
| Primary Part Number | A7443-003-171 |
| 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 |
| Body Inside Diameter | 1.500 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Material | STEEL CORROSION RESISTING OVERALL |
| Style Designator | PLAIN THREADED |
| Material Document and Classification | ASTM-A351 GR CF8M ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Nominal Thread Size | 2.125 INCHES SINGLE THREADED PORTION IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Length | 1.750 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Thread Quantity Per Inch | 14 SINGLE THREADED PORTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A7443-003-171 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A07443.003.171 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| SW138-22 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| SW138-22 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A07443.003.171 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A7443-003-171 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-407-9317 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 4820-01-407-9317 has 6 cross-referenced part numbers: A7443-003-171 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A07443.003.171 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), SW138-22 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SW138-22 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A07443.003.171 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 1 more.
There is 1 known substitute for 4820-01-407-9317: 5930-00-686-0210. Verify interchangeability with system specifications before substitution.
Key specifications for A7443-003-171: Body Inside Diameter: 1.500 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Material: STEEL CORROSION RESISTING OVERALL; Style Designator: PLAIN THREADED. 11 total characteristics are documented in the Federal Logistics Information System.