NSN 4820-01-546-4852 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-546-4852. Manufacturer of record part number: PR1-1A11A3D711.
Manufacturer of record: Circle Valve Technologies Inc
Identification
NSN: 4820-01-546-4852
NIIN: 015464852
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: PR1-1A11A3D711
Manufacturer: Circle Valve Technologies Inc
General Description
The Valve,press Contro, cataloged under National Stock Number 4820-01-546-4852, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circle Valve Technologies Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Cbs Broadcasting Inc. Dba Cbs Div Bechtel Plant Machinery Inc. - Pittsburgh
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-546-4852?
NSN 4820-01-546-4852 is a Valve,press Contro, manufactured by Circle Valve Technologies Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-546-4852?
NSN 4820-01-546-4852 has 1 manufacturer part number on file: PR1-1A11A3D711 (Circle Valve Technologies Inc).
What are the specifications of PR1-1A11A3D711?
Key specifications for PR1-1A11A3D711: Part Name Assigned by Controlling Agency: VALVE,PRESSCONTRO. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-546-4852 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.