The Seat,valve, cataloged under National Stock Number 4810-00-020-2978, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-020-2978 |
| Primary Part Number | 580245 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Under Flange Height | 0.167 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN |
| Seating Surface Shape | ANGULAR |
| Seal Accommodation Type | GROOVED |
| Material | STEEL OVERALL |
| Style Designator | PLAIN FLANGED |
| Flange Seat to Disk End Height | 0.064 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.890 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.280 INCHES MINIMUM AND 2.320 INCHES MAXIMUM IN |
| Flange Diameter | 3.965 INCHES MINIMUM AND 3.969 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 580245 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4810-00-020-2978 is a Seat,valve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4810 (No Item Name Available). Status: active.
NSN 4810-00-020-2978 has 1 cross-referenced part number: 580245 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There is 1 known substitute for 4810-00-020-2978: 5961-00-442-6082. Verify interchangeability with system specifications before substitution.
Key specifications for 580245: Under Flange Height: 0.167 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN; Seating Surface Shape: ANGULAR; Seal Accommodation Type: GROOVED; Material: STEEL OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.