Valve, Flow Control 4820-01-566-3440 NSN 4820-01-566-3440 · NIIN 015663440 · Part number 3634BLLO 8GPM
Griswold Controls Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53725
NSN 4820-01-566-3440 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-566-3440. Manufacturer of record part number: 3634BLLO 8GPM .
Also searched as
4820-01-566-3440 ·
4820015663440 ·
NIIN 015663440 ·
01-566-3440 ·
FSC 4820 Valves, Nonpowered · CAGE 53725 · 3634BLLO 8GPM · 24087-512-0206 PC 11 · 24087-512-0206
Nearby stock numbers
← 4820-01-566-3437 Cartridge, Shut-Off Valve
·
4820-01-566-3442 Cartridge, Shut-Off Valve →
4820-01-566-3440 — Valves, Nonpowered
Features
Valve,flow Control — FSC 4820 2 manufacturer part numbers on file Manufacturer of record: Griswold Controls Llc
Identification
NSN: 4820-01-566-3440
NIIN: 015663440
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3634BLLO 8GPM
Manufacturer: Griswold Controls Llc
General Description
The Valve,flow Control, cataloged under National Stock Number 4820-01-566-3440, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Griswold Controls Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name Valve,flow Control FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Griswold Controls Llc (CAGE 53725); Imeco Inc (CAGE 0V369)
Technical Specifications
Parameter Value NSN 4820-01-566-3440 Primary Part Number 3634BLLO 8GPM Item Name Valve,flow Control FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Griswold Controls Llc 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
Cross-Reference Index
Reference documents
Reference Meaning
24087-512-0206
D/9 Drawing number reference only Imeco Inc
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 4820-01-566-3440?
NSN 4820-01-566-3440 is a Valve,flow Control, manufactured by Griswold Controls Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-566-3440?
NSN 4820-01-566-3440 has 2 manufacturer part numbers on file: 3634BLLO 8GPM (Griswold Controls Llc), 24087-512-0206 PC 11 (Imeco Inc).
Is NSN 4820-01-566-3440 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.
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