The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-274-1323, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-00-541-2420E70POSSIBLE MATCH
RETAINER,PACKING
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
5940-00-636-5765POSSIBLE MATCH
TERMINAL,LUG
Possible match (shared part number)
5950-00-835-0539101803POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Tdk-Lambda Americas Inc. Div High Power Division
6320-00-886-975410-1803POSSIBLE MATCH
TRANSMITTERXDEPTH O
Possible match (shared part number)L3 Technologies, Inc.
6685-01-103-7081101803POSSIBLE MATCH
INDICATOR,PRESSURE
Possible match (shared part number)Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint
7025-01-480-8112E70POSSIBLE MATCH
DISPLAY UNIT
Possible match (shared part number)Viewsonic Corp
2920-01-547-9129101803POSSIBLE MATCH
ROTOR ASSEMBLY
Possible match (shared part number)Hii Unmanned Systems, Inc
3010-01-550-0212R978001270POSSIBLE MATCH
COUPLING,SHAFT,RIGID
Possible match (shared part number)Bosch Rexroth Corporation Div Industrial Hydraulics
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
101803
5/9Secondary reference
Eastman Kodak Co
E70
3/1Design control — primary reference
Hubbell-Raco Inc
Related Parts
5330-00-541-2420POSSIBLE MATCH
RETAINER,PACKING
E70
5940-00-636-5765POSSIBLE MATCH
TERMINAL,LUG
5950-00-835-0539POSSIBLE MATCH
TRANSFORMER,POWER
101803
6320-00-886-9754POSSIBLE MATCH
TRANSMITTERXDEPTH O
10-1803
6685-01-103-7081POSSIBLE MATCH
INDICATOR,PRESSURE
101803
7025-01-480-8112POSSIBLE MATCH
DISPLAY UNIT
E70
2920-01-547-9129POSSIBLE MATCH
ROTOR ASSEMBLY
101803
3010-01-550-0212POSSIBLE MATCH
COUPLING,SHAFT,RIGID
R978001270
Frequently Asked Questions
What is NSN 4520-00-274-1323?
NSN 4520-00-274-1323 is a Heating Element,electrical,nonim, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What NSN replaces 4520-00-274-1323?
8 possible matches (shared part number, not a government interchangeability claim): 5330-00-541-2420, 5940-00-636-5765, 5950-00-835-0539. Verify interchangeability with system specifications before substitution.
What are the specifications of 4520-00-274-1323?
Key specifications for 4520-00-274-1323: Frequency in Hertz: 60.0; Length: 3.906 INCHES NOMINAL IN; Voltage in Volts and Current Type: 110.0 AC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 1000.0 SINGLE VOLTAGE. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4520-00-274-1323 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.