The Seat,valve, cataloged under National Stock Number 4820-01-034-1722, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-034-1722 |
| Primary Part Number | 0744700128 |
| 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 |
| Nominal Thread Size | 2.625 INCHES SINGLE THREADED PORTION IN |
| Body Stepped Inside Diameter | 2.438 INCHES NOMINAL THIRD STEP IN |
| Body Stepped Inside Diameter | 2.000 INCHES MINIMUM AND 2.010 INCHES MAXIMUM SECOND STEP IN |
| Material Document and Classification | ASTM B-61 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-867,CLASS 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Material | COPPER ALLOY OR STEEL CORROSION RESISTING OVERALL |
| Style Designator | PLAIN THREADED |
| Thread Quantity Per Inch | 14 SINGLE THREADED PORTION |
| Body Stepped Inside Diameter | 1.375 INCHES NOMINAL FIRST STEP IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Length | 2.000 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Seating Surface Shape | FLAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A7447-002-128 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20253PC5 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20253PC5 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 0744700128 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| C12636PC4 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| C12636PC4 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 07447.002.128 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20256 FIND 4 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| SW122 FIND 6 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A7447-002-128 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-034-1722 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 4820-01-034-1722 has 10 cross-referenced part numbers: A7447-002-128 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20253PC5 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20253PC5 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 0744700128 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), C12636PC4 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 5 more.
There are 2 known substitutes for 4820-01-034-1722: 4820-01-246-9863, 4820-01-312-8285. Verify interchangeability with system specifications before substitution.
Key specifications for 0744700128: Nominal Thread Size: 2.625 INCHES SINGLE THREADED PORTION IN; Body Stepped Inside Diameter: 2.438 INCHES NOMINAL THIRD STEP IN; Body Stepped Inside Diameter: 2.000 INCHES MINIMUM AND 2.010 INCHES MAXIMUM SECOND STEP IN; Material Document and Classification: ASTM B-61 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-867,CLASS 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.