NSN 4820-01-542-4010 · NIIN 015424010 · Part number CY92166A-FERNB
Flowserve Us Inc. Div Flowserve Cookeville Valve Operation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28740
Government record, cited
NSN 4820-01-542-4010 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-542-4010. Manufacturer of record part number: CY92166A-FERNB.
Manufacturer of record: Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
Identification
NSN: 4820-01-542-4010
NIIN: 015424010
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: CY92166A-FERNB
Manufacturer: Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-542-4010, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Us Inc. Div Flowserve Cookeville Valve Operation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-542-4010
Primary Part Number
CY92166A-FERNB
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
Flowserve Us Inc. Div Flowserve Cookeville Valve Operation (USA)
Reference documents
Reference
Meaning
CY92166A
5/9Secondary reference
Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
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 4820-01-542-4010?
NSN 4820-01-542-4010 is a Seat,valve, manufactured by Flowserve Us Inc. Div Flowserve Cookeville Valve Operation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-542-4010?
NSN 4820-01-542-4010 has 1 manufacturer part number on file: CY92166A-FERNB (Flowserve Us Inc. Div Flowserve Cookeville Valve Operation).
What are the specifications of CY92166A-FERNB?
Key specifications for CY92166A-FERNB: Special Features: CONICAL SEAT FOR A 4.0 INCH BALL VALVE SIZE IN; End Item Identification: HX POWER PLANTS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-542-4010 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.