NSN 4820-01-652-3944 · NIIN 016523944 · Part number 40B186666TT150LA1
Flowserve Us Inc. Div Flowserve Cookeville Valve Operation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28740
Government record, cited
NSN 4820-01-652-3944 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-652-3944. Manufacturer of record part number: 40B186666TT150LA1.
Manufacturer of record: Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
Identification
NSN: 4820-01-652-3944
NIIN: 016523944
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40B186666TT150LA1
Manufacturer: Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
General Description
The Valve,ball, cataloged under National Stock Number 4820-01-652-3944, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Valve,ball
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Flowserve Us Inc. Div Flowserve Cookeville Valve Operation (CAGE 28740)
Technical Specifications
Parameter
Value
NSN
4820-01-652-3944
Primary Part Number
40B186666TT150LA1
Item Name
Valve,ball
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
4B1866T150LA1
5/9Secondary reference
Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
SDM-1420 REV-
D/9Drawing number reference only
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 4820-01-652-3944?
NSN 4820-01-652-3944 is a Valve,ball, 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 4820-01-652-3944?
NSN 4820-01-652-3944 has 1 manufacturer part number on file: 40B186666TT150LA1 (Flowserve Us Inc. Div Flowserve Cookeville Valve Operation).
Is NSN 4820-01-652-3944 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.