The Seat,valve, cataloged under National Stock Number 4820-00-375-8191, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-375-8191 |
| Primary Part Number | 4824E3105926PC11 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.312 INCHES NOMINAL IN |
| Flange Diameter | 0.438 INCHES NOMINAL IN |
| Body Outside Diameter | 0.438 INCHES NOMINAL IN |
| Seal Accommodation Type | GROOVED |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.125 INCHES NOMINAL IN |
| Under Flange Height | 0.312 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Seat Angle in Deg | 60.000 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 |
|---|---|
| 4824E3105926PC11 PRIMARY | Naval Sea Systems Command (USA) |
| B105680PCALL | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 105680PCALL | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 4824E3105926PC11 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-375-8191 is a Seat,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-375-8191 has 3 manufacturer part numbers on file: 4824E3105926PC11 (Naval Sea Systems Command), B105680PCALL (Eaton Aerospace, Llc Dba Jackson South), 105680PCALL (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 4824E3105926PC11: Flange Seat to Disk End Height: 0.312 INCHES NOMINAL IN; Flange Diameter: 0.438 INCHES NOMINAL IN; Body Outside Diameter: 0.438 INCHES NOMINAL IN; Seal Accommodation Type: GROOVED. 10 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.