NSN 4820-01-589-1114 · NIIN 015891114 · Part number LFN45BU
The Electric Heater Co Dba Hubbell Electric Heater Co. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 19857
Government record, cited
NSN 4820-01-589-1114 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-589-1114. Manufacturer of record part number: LFN45BU.
Manufacturer of record: The Electric Heater Co Dba Hubbell Electric Heater Co.
Identification
NSN: 4820-01-589-1114
NIIN: 015891114
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: LFN45BU
Manufacturer: The Electric Heater Co Dba Hubbell Electric Heater Co.
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-589-1114, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-589-1114
Primary Part Number
LFN45BU
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
The Electric Heater Co Dba Hubbell Electric Heater Co.
The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
Reference documents
Reference
Meaning
N45BU
5/9Secondary reference
Watts Water Technologies Inc
LFN45BU
5/9Secondary reference
Watts Water Technologies Inc
J1645T4XX ITEM NO. 21
5/9Secondary reference
The Electric Heater Co Dba Hubbell Electric Heater Co.
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 4820-01-589-1114?
NSN 4820-01-589-1114 is a Valve,safety Relief, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-589-1114?
NSN 4820-01-589-1114 has 1 manufacturer part number on file: LFN45BU (The Electric Heater Co Dba Hubbell Electric Heater Co.).
What are the specifications of LFN45BU?
Key specifications for LFN45BU: End Item Identification: 4520-01-589-1099 HEATER,WATER,ELECTRIC. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-589-1114 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.