The Seat,valve, cataloged under National Stock Number 4820-01-161-1252, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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 | 4820-01-161-1252 |
| Primary Part Number | 109346 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| Material Document and Classification | ASTM A473 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Style Designator | PLAIN THREADED |
| Material | STEEL COMP 416 OVERALL |
| Thread Quantity Per Inch | 14 SINGLE THREADED PORTION |
| Thread Class | 3A SINGLE THREADED PORTION A |
| Nominal Thread Size | 3.875 INCHES SINGLE THREADED PORTION IN |
| Body Inside Diameter | 3.188 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Thread Length | 0.533 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 056325 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 056325 ITEM 20 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 109346 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
NSN 4820-01-161-1252 is a Seat,valve, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-161-1252 has 3 cross-referenced part numbers: 056325 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 056325 ITEM 20 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 109346 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
There are 3 known substitutes for 4820-01-161-1252: 4820-01-161-1362, 4820-01-164-7889, 5342-01-347-1028. Verify interchangeability with system specifications before substitution.
Key specifications for 109346: Material Document and Classification: ASTM A473 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: UNS SINGLE THREADED PORTION; Style Designator: PLAIN THREADED; Material: STEEL COMP 416 OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.