PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SDN20-24-100CCabinet,electrical Equipment

Courtesy Refrigeration, Inc · NSN 5975-01-640-7450 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-640-7450 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-640-7450. Primary manufacturer part number: SDN20-24-100C.
Features
  • Cabinet,electrical Equipment — FSC 5975
  • 3 verified cross-references
  • Primary manufacturer: Courtesy Refrigeration, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cabinet,electrical Equipment, cataloged under National Stock Number 5975-01-640-7450, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Courtesy Refrigeration, Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-01-640-7450
Primary Part NumberSDN20-24-100C
Item NameCabinet,electrical Equipment
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerCourtesy Refrigeration, Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6120-01-689-5909SDN 20-24-100C INTERCHANGEABLE
Power Supply
Egs Electrical Group Appleton Div
Cross-Reference Index
Part NumberManufacturer
SDN20-24-100C General Signal Corp Hevi-Duty Electric Div (USA)
SDN20-24-100C PRIMARY Courtesy Refrigeration, Inc (USA)
BB-9001243-01(24) Fluor Marine Propulsion, Llc (USA)
Related Parts
6120-01-689-5909INTERCHANGEABLE
POWER SUPPLY
SDN 20-24-100C

Frequently Asked Questions

What is NSN 5975-01-640-7450?

NSN 5975-01-640-7450 is a Cabinet,electrical Equipment, manufactured by Courtesy Refrigeration, Inc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-01-640-7450?

NSN 5975-01-640-7450 has 3 cross-referenced part numbers: SDN20-24-100C (General Signal Corp Hevi-Duty Electric Div), SDN20-24-100C (Courtesy Refrigeration, Inc), BB-9001243-01(24) (Fluor Marine Propulsion, Llc).

What NSN replaces 5975-01-640-7450?

There is 1 known substitute for 5975-01-640-7450: 6120-01-689-5909. Verify interchangeability with system specifications before substitution.

What are the specifications of SDN20-24-100C?

Key specifications for SDN20-24-100C: Part Name Assigned by Controlling Agency: CS,AD,ASSY,I/O CABINET,CATT; Overall Depth: 4.980 INCHES NOMINAL IN; Overall Height: 4.850 INCHES NOMINAL IN; Special Features: OPERATING TEMPERATURE: -40.00 DEG. C. TO 85.00 DEG. C.; VOLTAGE RATING: 24.00 VDC; DIN RAIL POWER SUPPLY; CURRENT RATING: 20.00 AMPS; SINGLE PHASE; VDC. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-01-640-7450 still in active supply?

NSN 5975-01-640-7450 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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