NSN 4520-01-568-6528 · NIIN 015686528 · Part number 171378305C
Real-Time Laboratories, Llc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 62319
Government record, cited
NSN 4520-01-568-6528 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-568-6528. Manufacturer of record part number: 171378305C.
Also searched as4520-01-568-6528 ·
4520015686528 ·
NIIN 015686528 ·
01-568-6528 ·
FSC 4520 Space and Water Heating Equipment · CAGE 62319 · 171378305C · 3688856C1 · 4112372C1 · 3688856C1L
Manufacturer of record: Real-Time Laboratories, Llc
Identification
NSN: 4520-01-568-6528
NIIN: 015686528
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 171378305C
Manufacturer: Real-Time Laboratories, Llc
General Description
The Coupling,air Conditioning-Heatin, cataloged under National Stock Number 4520-01-568-6528, 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 Real-Time Laboratories, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 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 4520-01-568-6528?
NSN 4520-01-568-6528 is a Coupling,air Conditioning-Heatin, manufactured by Real-Time Laboratories, Llc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-568-6528?
NSN 4520-01-568-6528 has 2 manufacturer part numbers on file: 4112372C1 (Nd Defense Llc), 171378305C (Real-Time Laboratories, Llc).
Is NSN 4520-01-568-6528 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.