The Seat,valve, cataloged under National Stock Number 4820-00-757-2981, 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 2 commercial cross-references 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 | 4820-00-757-2981 |
| Primary Part Number | N51970 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Seating Surface Shape | ANGULAR |
| Body Inside Diameter | 0.500 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.000 NOMINAL |
| Flange Seat to Disk End Height | 0.188 INCHES NOMINAL IN |
| Style Designator | THREADED FLANGED |
| Under Flange Height | 0.375 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Flange Diameter | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-757-2981 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-757-2981 has 2 cross-referenced part numbers: N51970 (Leslie Controls, Inc. Dba Leslie Controls Inc), 51970 (Leslie Controls, Inc. Dba Leslie Controls Inc).
There are 4 known substitutes for 4820-00-757-2981: 3120-01-130-9125, 2940-01-197-7106, 3110-01-525-0306 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for N51970: Seating Surface Shape: ANGULAR; Body Inside Diameter: 0.500 INCHES NOMINAL IN; Seat Angle in Deg: 30.000 NOMINAL; Flange Seat to Disk End Height: 0.188 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.