NSN 4520-01-539-0555 · NIIN 015390555 · Part number L1HR155H
Cospolich Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 66682
Government record, cited
NSN 4520-01-539-0555 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-539-0555. Manufacturer of record part number: L1HR155H.
Also searched as4520-01-539-0555 ·
4520015390555 ·
NIIN 015390555 ·
01-539-0555 ·
FSC 4520 Space and Water Heating Equipment · CAGE 66682 · L1HR155H · 50773 ITEM 18
Voltage in Volts and Current Type: 115.0 AC SINGLE VOLTAGE
Maximum Wattage Rating in Watts: 1.0 SINGLE VOLTAGE
Element Quantity: 1
2 manufacturer part numbers on file
Manufacturer of record: Cospolich Inc.
Identification
NSN: 4520-01-539-0555
NIIN: 015390555
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: L1HR155H
Manufacturer: Cospolich Inc.
General Description
The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-539-0555, 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 Cospolich Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4520-01-539-0555?
NSN 4520-01-539-0555 is a Heating Element,electrical,nonim, manufactured by Cospolich Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-539-0555?
NSN 4520-01-539-0555 has 2 manufacturer part numbers on file: L1HR155H (Cospolich Inc.), 50773 ITEM 18 (Cospolich Inc.).
What are the specifications of L1HR155H?
Key specifications for L1HR155H: FSC Application Data: DOOR; Voltage in Volts and Current Type: 115.0 AC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 1.0 SINGLE VOLTAGE; Special Features: 155 INCHES LONG IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-539-0555 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.