The Seat,valve, cataloged under National Stock Number 4820-01-152-7726, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-152-7726 |
| Primary Part Number | 08904 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Flange Diameter | 3.540 INCHES MINIMUM AND 3.560 INCHES MAXIMUM IN |
| Body Outside Diameter | 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 2.000 INCHES NOMINAL IN |
| Under Flange Height | 0.240 INCHES NOMINAL IN |
| Material | RUBBER BUNA N OVERALL |
| Seat Angle in Deg | 25.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 08904 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 08904 | 5/9 Secondary reference Circor Intl Inc |
| 298-00-20 | D/9 Drawing number reference only Circor Intl Inc |
| 298-00-20 PIECE 10 2IN | 5/9 Secondary reference Circor Intl Inc |
| 218-24-03 | 5/9 Secondary reference Circor Intl Inc |
NSN 4820-01-152-7726 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-152-7726 has 1 manufacturer part number on file: 08904 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 08904: Flange Seat to Disk End Height: 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN; Flange Diameter: 3.540 INCHES MINIMUM AND 3.560 INCHES MAXIMUM IN; Body Outside Diameter: 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.