The Valve,rotary,selector, cataloged under National Stock Number 4820-01-170-9223, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Schroeder Industries Llc. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-170-9223 |
| Primary Part Number | TB-1131 |
| Item Name | Valve,rotary,selector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Schroeder Industries Llc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE |
| Features Provided | CLOSED CENTER |
| Flow Type | FOUR-WAY |
| Nominal Thread Size | 0.250 INCHES IN |
| Body Material | STEEL |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| TB-1131 PRIMARY | Schroeder Industries Llc (USA) |
NSN 4820-01-170-9223 is a Valve,rotary,selector, manufactured by Schroeder Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-170-9223 has 1 manufacturer part number on file: TB-1131 (Schroeder Industries Llc).
Key specifications for TB-1131: Connection Type: THREADED INTERNAL PIPE; Features Provided: CLOSED CENTER; Flow Type: FOUR-WAY; Nominal Thread Size: 0.250 INCHES IN. 6 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.