NSN 4820-01-666-2566 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-666-2566. Manufacturer of record part number: U044-11-1400-04.
Manufacturer of record: Cpi Satcom & Antenna Technologies Inc.
Identification
NSN: 4820-01-666-2566
NIIN: 016662566
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: U044-11-1400-04
Manufacturer: Cpi Satcom & Antenna Technologies Inc.
General Description
The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-666-2566, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cpi Satcom & Antenna Technologies Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Valve,calibrated Flow
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Cpi Satcom & Antenna Technologies Inc. (CAGE 0P0N7)
Technical Specifications
Parameter
Value
NSN
4820-01-666-2566
Primary Part Number
U044-11-1400-04
Item Name
Valve,calibrated Flow
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Cpi Satcom & Antenna Technologies Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-666-2572U044-11-1400-11POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Cpi Satcom & Antenna Technologies Inc.
4820-01-666-2743U044-11-1400-07POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Cpi Satcom & Antenna Technologies Inc.
4820-01-666-2744U044-11-1400-03POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Cpi Satcom & Antenna Technologies Inc.
4820-01-666-2753U044-11-1400-08POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Cpi Satcom & Antenna Technologies Inc.
4820-01-666-3753U044-11-1400-02POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Cpi Satcom & Antenna Technologies Inc.
4820-01-666-3755U044-11-1400-09POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Cpi Satcom & Antenna Technologies Inc.
4820-01-666-3757U044-11-1400-01POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Cpi Satcom & Antenna Technologies Inc.
NSN 4820-01-666-2566 is a Valve,calibrated Flow, manufactured by Cpi Satcom & Antenna Technologies Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-666-2566?
NSN 4820-01-666-2566 has 1 manufacturer part number on file: U044-11-1400-04 (Cpi Satcom & Antenna Technologies Inc.).
What NSN replaces 4820-01-666-2566?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-666-2572, 4820-01-666-2743, 4820-01-666-2744. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-666-2566 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.