The Seat,valve, cataloged under National Stock Number 4820-01-216-4095, 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 7 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-216-4095 |
| Primary Part Number | 056624 ITEM 21 |
| 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 |
| Seating Surface Shape | FLAT |
| Body Inside Diameter | 0.763 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN |
| Under Flange Height | 1.750 INCHES NOMINAL IN |
| Flange Diameter | 4.890 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING SEAT |
| Style Designator | THREADED FLANGED |
| Flange Seat to Disk End Height | 0.281 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 056624 ITEM 21 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 056624 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 16974 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
NSN 4820-01-216-4095 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 4820-01-216-4095 has 3 cross-referenced part numbers: 056624 ITEM 21 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 056624 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 16974 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
There are 7 known substitutes for 4820-01-216-4095: 5895-01-116-7146, 4820-01-216-2233, 4820-01-216-2386 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 056624 ITEM 21: Seating Surface Shape: FLAT; Body Inside Diameter: 0.763 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN; Under Flange Height: 1.750 INCHES NOMINAL IN; Flange Diameter: 4.890 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.