The Valve,ball, cataloged under National Stock Number 4820-01-198-1111, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-198-1111 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END |
| Style Designator | STRAIGHT THRUSTRAIGHT THRU |
| Thread Direction | RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END0.375 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END37.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END3A FIRST END A |
| Thread Series Designator | UNF FIRST ENDUNF FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4D162-1 | 3/2 Design control — primary reference U.S. Government activity |
| 4D162 | 5/9 Secondary reference U.S. Government activity |
| 4D162 REVB .37IPS | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-198-1111 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-198-1111: Connection Style: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END; Style Designator: STRAIGHT THRUSTRAIGHT THRU; Thread Direction: RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END; Nominal Thread Size: 0.375 INCHES FIRST END0.375 INCHES FIRST END IN. 7 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.