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NSN 4520-01-346-9846Government record, cited

Heater, Water, Liquid Fuel4520-01-346-9846

NSN 4520-01-346-9846 · NIIN 013469846 · Part number 241E
Bock Water Heaters, Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 07810
Government record, cited
NSN 4520-01-346-9846 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-346-9846. Manufacturer of record part number: 241E.
Also searched as  4520-01-346-9846 · 4520013469846 · NIIN 013469846 · 01-346-9846 · FSC 4520 Space and Water Heating Equipment · CAGE 07810 · 241E
Nearby stock numbers  ·
Features
  • Heater,water,liquid Fuel — FSC 4520
  • General Characteristics Item Description: OIL FIRED; GLASS LINED; 100.0 GAL; 227,000 BTUH; 2.0 GPH FIRING RATE; 2.000 IN. NPT WATER CONNECTIONS; 1/8 HP MOTOR; 67.0 IN. H; 31.5 IN. ID; 8.000 IN. FLUE; 150.0 PSI WORKING PRESSURE; 2 MAGNESIUM ANODE RODS IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Bock Water Heaters, Inc.
Identification
  • NSN: 4520-01-346-9846
  • NIIN: 013469846
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: 241E
  • Manufacturer: Bock Water Heaters, Inc.
General Description

The Heater,water,liquid Fuel, cataloged under National Stock Number 4520-01-346-9846, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Bock Water Heaters, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-346-9846
Primary Part Number241E
Item NameHeater,water,liquid Fuel
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerBock Water Heaters, Inc.
StatusACTIVE
General Characteristics Item DescriptionOIL FIRED; GLASS LINED; 100.0 GAL; 227,000 BTUH; 2.0 GPH FIRING RATE; 2.000 IN. NPT WATER CONNECTIONS; 1/8 HP MOTOR; 67.0 IN. H; 31.5 IN. ID; 8.000 IN. FLUE; 150.0 PSI WORKING PRESSURE; 2 MAGNESIUM ANODE RODS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
241E PRIMARY Bock Water Heaters, Inc. (USA)
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE

Frequently Asked Questions

What is NSN 4520-01-346-9846?

NSN 4520-01-346-9846 is a Heater,water,liquid Fuel, manufactured by Bock Water Heaters, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-346-9846?

NSN 4520-01-346-9846 has 1 manufacturer part number on file: 241E (Bock Water Heaters, Inc.).

What are the specifications of 241E?

Key specifications for 241E: General Characteristics Item Description: OIL FIRED; GLASS LINED; 100.0 GAL; 227,000 BTUH; 2.0 GPH FIRING RATE; 2.000 IN. NPT WATER CONNECTIONS; 1/8 HP MOTOR; 67.0 IN. H; 31.5 IN. ID; 8.000 IN. FLUE; 150.0 PSI WORKING PRESSURE; 2 MAGNESIUM ANODE RODS IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4520-01-346-9846 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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