PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37347Heating Element,electrical,immer

Metcraft Inc · NSN 4520-01-686-2506 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-686-2506 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-686-2506. Primary manufacturer part number: 37347.
Features
  • Heating Element,electrical,immer — FSC 4520
  • Voltage in Volts and Current Type: 480.0 VOLTAGE DIRECT CURRENT SINGLE VOLTAGE
  • Unpackaged Unit Height: 2.0 INCHES NOMINAL IN
  • Unpackaged Unit Width: 6.0 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Metcraft Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-686-2506, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Metcraft Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-686-2506
Primary Part Number37347
Item NameHeating Element,electrical,immer
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerMetcraft Inc
StatusACTIVE
Voltage in Volts and Current Type480.0 VOLTAGE DIRECT CURRENT SINGLE VOLTAGE
Unpackaged Unit Height2.0 INCHES NOMINAL IN
Unpackaged Unit Width6.0 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-278-3912125795-6-4 INTERCHANGEABLE
Bushing,pipe
Cadillac Gage Textron Inc.
5950-00-944-9906677-0223-000 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6210-01-157-9045 INTERCHANGEABLE
Light Assembly,indicator
5365-01-194-4923A-2720 PIECE 71 INTERCHANGEABLE
Spacer,ring
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
37347 Metcraft Inc (USA)
CMEL.1062 Stoddart Manufacturing Tom Stoddart Pty Ltd (AUS)
37347 Unified Brands Inc. (USA)
Related Parts
4730-00-278-3912INTERCHANGEABLE
BUSHING,PIPE
125795-6-4
5950-00-944-9906INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-0223-000
6210-01-157-9045INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
5365-01-194-4923INTERCHANGEABLE
SPACER,RING
A-2720 PIECE 71

Frequently Asked Questions

What is NSN 4520-01-686-2506?

NSN 4520-01-686-2506 is a Heating Element,electrical,immer, manufactured by Metcraft Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-686-2506?

NSN 4520-01-686-2506 has 3 cross-referenced part numbers: 37347 (Metcraft Inc), CMEL.1062 (Stoddart Manufacturing Tom Stoddart Pty Ltd), 37347 (Unified Brands Inc.).

What NSN replaces 4520-01-686-2506?

There are 4 known substitutes for 4520-01-686-2506: 4730-00-278-3912, 5950-00-944-9906, 6210-01-157-9045 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37347?

Key specifications for 37347: Part Name Assigned by Controlling Agency: POWER SOAK HEAT SINK 7 KW WATLOW; Voltage in Volts and Current Type: 480.0 VOLTAGE DIRECT CURRENT SINGLE VOLTAGE; Unpackaged Unit Height: 2.0 INCHES NOMINAL IN; Overall Length: 15.50 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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