The Seat,valve, cataloged under National Stock Number 4820-00-393-4284, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-393-4284 |
| Primary Part Number | 23426 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Seating Surface Shape | ANGULAR |
| Style Designator | PLAIN FLANGED |
| Material | STEEL CORROSION RESISTING OVERALL |
| Under Flange Height | 0.250 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Body Stepped Inside Diameter | 1.062 INCHES NOMINAL SECOND STEP IN |
| Body Stepped Inside Diameter | 0.748 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST STEP IN |
| Flange Diameter | 1.497 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.251 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.000 NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 23426 PRIMARY | Grove Valve Operations (USA) |
NSN 4820-00-393-4284 is a Seat,valve, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-393-4284 has 1 cross-referenced part number: 23426 (Grove Valve Operations).
There are 8 known substitutes for 4820-00-393-4284: 5330-00-318-5063, 5930-00-538-2323, 5950-00-646-1220 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 23426: Seating Surface Shape: ANGULAR; Style Designator: PLAIN FLANGED; Material: STEEL CORROSION RESISTING OVERALL; Under Flange Height: 0.250 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.