The Valve,ball, cataloged under National Stock Number 4820-01-545-1435, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-545-1435 |
| Primary Part Number | R180SHTSEL020 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Minimum Operating Temp | -40.0 FAHRENHEIT DEGF |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 140.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| R180SHTSEL020 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| 0421C30-3010 | 7/1 Vendor item drawing reference The Entwistle Company Llc |
| SR1703020RB3000 | C/1 Advisory reference — outside the item-of-supply concept Danfoss Power Solutions II, Llc |
| SR1703020R83000 | 3/9 Design control — primary reference Emerson Automation Solutions Final Control Us Lp |
| SR1703020RB3000 | 5/9 Secondary reference Durodyne Inc. |
NSN 4820-01-545-1435 is a Valve,ball, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-545-1435 has 1 manufacturer part number on file: R180SHTSEL020 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for R180SHTSEL020: Minimum Operating Temp: -40.0 FAHRENHEIT DEGF; Style Designator: STRAIGHT THRU; Operating Pressure: 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 140.0 FAHRENHEIT SINGLE RESPONSE DEGF. 5 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.