The Seat,valve, cataloged under National Stock Number 4820-00-924-0533, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-924-0533 |
| Primary Part Number | N38903 |
| 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 | 0.937 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.563 INCHES NOMINAL IN |
| Seating Surface Shape | ANGULAR |
| Hardness Rating | 400.0 BRINELL STANDARD NOMINAL OVERALL |
| Material Document and Classification | QQ-S-763 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | FAUCET |
| Under Flange Height | 0.437 INCHES NOMINAL IN |
| Flange Diameter | 1.800 INCHES NOMINAL IN |
| Body Outside Diameter | 1.310 INCHES MINIMUM AND 1.311 INCHES MAXIMUM IN |
| Seat Angle in Deg | 90.000 NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 38903 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 13807NREVAPC21 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N38903 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-00-924-0533 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-924-0533 has 3 cross-referenced part numbers: 38903 (Leslie Controls, Inc. Dba Leslie Controls Inc), 13807NREVAPC21 (Leslie Controls, Inc. Dba Leslie Controls Inc), N38903 (Leslie Controls, Inc. Dba Leslie Controls Inc).
There are 7 known substitutes for 4820-00-924-0533: 5985-00-455-4487, 5950-00-648-6737, 5315-00-899-3133 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for N38903: Body Inside Diameter: 0.937 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.563 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Hardness Rating: 400.0 BRINELL STANDARD NOMINAL OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.