The Seat,valve, cataloged under National Stock Number 4820-00-587-9918, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, 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 | 4820-00-587-9918 |
| Primary Part Number | N321240058 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Body Inside Diameter | 1.187 INCHES NOMINAL IN |
| Seating Surface Shape | ANGULAR |
| Material | STEEL COMP 416 OVERALL |
| Style Designator | PLAIN FLANGED |
| Flange Seat to Disk End Height | 0.750 INCHES NOMINAL IN |
| Under Flange Height | 0.250 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.000 NOMINAL |
| Flange Diameter | 2.062 INCHES NOMINAL IN |
| Body Outside Diameter | 1.748 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| N321240058 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| MAI 587-9918 | Argus Mfg Corp (USA) |
| 11057NPC26 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 321240058 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 32124 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-00-587-9918 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-587-9918 has 5 cross-referenced part numbers: N321240058 (Leslie Controls, Inc. Dba Leslie Controls Inc), MAI 587-9918 (Argus Mfg Corp), 11057NPC26 (Leslie Controls, Inc. Dba Leslie Controls Inc), 321240058 (Leslie Controls, Inc. Dba Leslie Controls Inc), 32124 (Leslie Controls, Inc. Dba Leslie Controls Inc).
There are 4 known substitutes for 4820-00-587-9918: 4720-00-006-7460, 9390-00-290-2217, 5330-00-505-5146 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for N321240058: Body Inside Diameter: 1.187 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Material: STEEL COMP 416 OVERALL; Style Designator: PLAIN FLANGED. 9 total characteristics are documented in the Federal Logistics Information System.