The Heater,space,electric, cataloged under National Stock Number 4520-00-115-6777, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4520-00-115-6777
Item Name
Heater,space,electric
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Status
ACTIVE
Heat Delivery Rate
27200.0 BRITISH THERMAL UNIT
Phase
THREE
Frequency in Hertz
60.0
Current Type
AC
Voltage in Volts
115.0
Heat Outlet Quantity
17
Height
14.000 INCHES NOMINAL IN
Mounting Type
WALL SUSPENDED, ROOM INTERIOR
Heating Element Type
ELECTRIC NONIMMERSION
Operating Control Type
THERMOSTATIC
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
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5975-00-240-2738POSSIBLE MATCH
CONDUIT OUTLET
Possible match (shared part number)
5305-00-487-4963B47POSSIBLE MATCH
SCREW-DIAL
Possible match (shared part number)Power Control Devices Inc
5310-00-582-6300B4-7POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Roller Bearing Co of America, Inc Div Pic Design
3110-00-676-6147B47POSSIBLE MATCH
BEARING,ROLLER,NEEDLE
Possible match (shared part number)Timken Aerospace, Inc Dba Torrington Product
1610-00-707-9780B47POSSIBLE MATCH
MAGNET,PLUG
Possible match (shared part number)Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
3030-00-834-4839B47POSSIBLE MATCH
BELT,V
Possible match (shared part number)Contitech Usa, Inc Dba Veyance Technologies
5360-01-379-5578B-47POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
B47
3/9Design control — primary reference
Universal Jet Industries Inc
Related Parts
5975-00-240-2738POSSIBLE MATCH
CONDUIT OUTLET
5305-00-487-4963POSSIBLE MATCH
SCREW-DIAL
B47
5310-00-582-6300POSSIBLE MATCH
WASHER,FLAT
B4-7
3110-00-676-6147POSSIBLE MATCH
BEARING,ROLLER,NEEDLE
B47
1610-00-707-9780POSSIBLE MATCH
MAGNET,PLUG
B47
3030-00-834-4839POSSIBLE MATCH
BELT,V
B47
5360-01-379-5578POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
B-47
Frequently Asked Questions
What is NSN 4520-00-115-6777?
NSN 4520-00-115-6777 is a Heater,space,electric, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What NSN replaces 4520-00-115-6777?
7 possible matches (shared part number, not a government interchangeability claim): 5975-00-240-2738, 5305-00-487-4963, 5310-00-582-6300. Verify interchangeability with system specifications before substitution.
What are the specifications of 4520-00-115-6777?
Key specifications for 4520-00-115-6777: Heat Delivery Rate: 27200.0 BRITISH THERMAL UNIT; Phase: THREE; Frequency in Hertz: 60.0; Current Type: AC. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4520-00-115-6777 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.