The Seat,valve, cataloged under National Stock Number 4820-01-274-8422, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-274-8422 |
| Primary Part Number | 43877-00-58 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | CANCELLED |
| Body Inside Diameter | 1.187 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Style Designator | PLAIN FLANGED |
| Material | STEEL CORROSION RESISTING OVERALL |
| Flange Diameter | 2.250 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.438 INCHES NOMINAL IN |
| Body Outside Diameter | 1.624 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN |
| Under Flange Height | 0.500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 43877-00-58 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 18500N PIECE 4A GROUP 1 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N43877 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N438770058 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 43877 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 18500N | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-01-274-8422 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-274-8422 has 6 cross-referenced part numbers: 43877-00-58 (Leslie Controls, Inc. Dba Leslie Controls Inc), 18500N PIECE 4A GROUP 1 (Leslie Controls, Inc. Dba Leslie Controls Inc), N43877 (Leslie Controls, Inc. Dba Leslie Controls Inc), N438770058 (Leslie Controls, Inc. Dba Leslie Controls Inc), 43877 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 1 more.
There are 7 known substitutes for 4820-01-274-8422: 4930-00-439-8133, 6680-01-107-1128, 4820-01-162-0181 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 43877-00-58: Body Inside Diameter: 1.187 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Style Designator: PLAIN FLANGED; Material: STEEL CORROSION RESISTING OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-274-8422 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.