The Seat,valve, cataloged under National Stock Number 4820-00-569-1388, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-569-1388 |
| Primary Part Number | S-2568-1 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| Material | COBALT COMP 3 OVERALL |
| Seating Surface Shape | FLAT |
| Body Inside Diameter | 1.808 INCHES MINIMUM AND 1.813 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.066 INCHES MINIMUM AND 2.067 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S-2568-1 PRIMARY | Dresser, Llc (USA) |
NSN 4820-00-569-1388 is a Seat,valve, manufactured by Dresser, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-569-1388 has 1 cross-referenced part number: S-2568-1 (Dresser, Llc).
There are 4 known substitutes for 4820-00-569-1388: 2815-00-091-8035, 2815-00-091-8036, 4810-00-325-5313 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for S-2568-1: Style Designator: PLAIN; Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL; Material: COBALT COMP 3 OVERALL; Seating Surface Shape: FLAT. 7 total characteristics are documented in the Federal Logistics Information System.