The Seat,valve, cataloged under National Stock Number 4820-00-987-7930, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-987-7930 |
| Primary Part Number | 22744-B2 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.219 INCHES NOMINAL IN |
| Flange Diameter | 1.375 INCHES NOMINAL IN |
| Thread Length | 0.219 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | THREADED FLANGED |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Nominal Thread Size | 1.250 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.219 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 16 SINGLE THREADED PORTION |
| Material | NICKEL ALLOY OVERALL |
| Seat Angle in Deg | 45.000 NOMINAL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| 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 |
NSN 4820-00-987-7930 is a Seat,valve, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-987-7930 has 2 manufacturer part numbers on file: 22744-B (Schneider Electric Systems Usa Inc), 22744-B2 (Schneider Electric Systems Usa Inc).
Key specifications for 22744-B2: Flange Seat to Disk End Height: 0.219 INCHES NOMINAL IN; Flange Diameter: 1.375 INCHES NOMINAL IN; Thread Length: 0.219 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: THREADED FLANGED. 13 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.