PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52C6Cover,junction Box

Abb Installation Products Inc · NSN 5975-00-281-0057 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-281-0057 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-281-0057. Primary manufacturer part number: 52C6.
Features
  • Cover,junction Box — FSC 5975
  • Cover Attachment Method: SCREW AND WASHER
  • Standard Wiring Device Quantity: 1
  • First Center to Center Distance Between Mounting Holes: 3.312 INCHES NOMINAL IN
  • Style Designator: SQUARE-SIDE MOUNTED
  • Second Center to Center Distance Between Mounting Holes: 3.312 INCHES NOMINAL IN
  • Cover Type: KNOCKOUT
  • Material: STEEL COVER
Applications
  • Applications requiring Steel Cover construction
General Description

The Cover,junction Box, cataloged under National Stock Number 5975-00-281-0057, 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 Abb Installation Products Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-281-0057
Primary Part Number52C6
Item NameCover,junction Box
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerAbb Installation Products Inc
StatusCANCELLED
Cover Attachment MethodSCREW AND WASHER
Standard Wiring Device Quantity1
First Center to Center Distance Between Mounting Holes3.312 INCHES NOMINAL IN
Style DesignatorSQUARE-SIDE MOUNTED
Second Center to Center Distance Between Mounting Holes3.312 INCHES NOMINAL IN
Cover TypeKNOCKOUT
MaterialSTEEL COVER
Nondefinitive Spec/std DataE SIZE AND 40 STYLE AND VIII TYPE
Surface TreatmentZINC OR CADMIUM COVER
Cover Mounting Hole Quantity4
Cover Opening Shape and Quantity1 ROUND
Mounting Hole Diameter0.328 INCHES NOMINAL IN
Distance From Center of Mounting Hole to Edge Along the Width0.344 INCHES NOMINAL IN
Distance From Center of Mounting Hole to Edge Along the Length0.344 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-153-6386 INTERCHANGEABLE
Junction Box
5975-00-153-6392 INTERCHANGEABLE
Junction Box
5975-00-153-6397 INTERCHANGEABLE
Junction Box
5975-00-153-6398 INTERCHANGEABLE
Junction Box
5975-00-153-677052C14 INTERCHANGEABLE
Cover,junction Box
Abb Installation Products Inc
5975-00-188-1153502B INTERCHANGEABLE
Cover,junction Box
Ni Industries Inc Bowers Mfg Co Div
5975-00-188-1158404 INTERCHANGEABLE
Cover,junction Box
Ni Industries Inc Bowers Mfg Co Div
5975-00-194-4997 INTERCHANGEABLE
Extension,junction Box
5975-00-194-4998 INTERCHANGEABLE
Extension,junction Box
5975-00-194-8847 INTERCHANGEABLE
Extension,junction Box
Cross-Reference Index
Part NumberManufacturer
52C6 Abb Installation Products Inc (USA)
753 Raco, a Division of Hubbell Incorporated(delaware) (USA)
400K Ni Industries Inc Bowers Mfg Co Div (USA)
FEDSTD128 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W-J-800 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59214-8-E-40 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
8474 Egs Electrical Group Appleton Div (USA)
A-A-59214 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
24AQ Porter H K Co Inc Electrical Div Ambridge Works (USA)
Related Parts
5975-00-153-6386INTERCHANGEABLE
JUNCTION BOX
5975-00-153-6392INTERCHANGEABLE
JUNCTION BOX
5975-00-153-6397INTERCHANGEABLE
JUNCTION BOX
5975-00-153-6398INTERCHANGEABLE
JUNCTION BOX
5975-00-153-6770INTERCHANGEABLE
COVER,JUNCTION BOX
52C14
5975-00-188-1153INTERCHANGEABLE
COVER,JUNCTION BOX
502B
5975-00-188-1158INTERCHANGEABLE
COVER,JUNCTION BOX
404
5975-00-194-4997INTERCHANGEABLE
EXTENSION,JUNCTION BOX
5975-00-194-4998INTERCHANGEABLE
EXTENSION,JUNCTION BOX
5975-00-194-8847INTERCHANGEABLE
EXTENSION,JUNCTION BOX
5975-00-194-8874INTERCHANGEABLE
JUNCTION BOX
4SPJD
5975-00-194-8878INTERCHANGEABLE
JUNCTION BOX

Frequently Asked Questions

What is NSN 5975-00-281-0057?

NSN 5975-00-281-0057 is a Cover,junction Box, manufactured by Abb Installation Products Inc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-281-0057?

NSN 5975-00-281-0057 has 9 cross-referenced part numbers: 52C6 (Abb Installation Products Inc), 753 (Raco, a Division of Hubbell Incorporated(delaware)), 400K (Ni Industries Inc Bowers Mfg Co Div), FEDSTD128 (Federal Specifications Promulgated by General Services Administration Washington DC), W-J-800 (Federal Specifications Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 5975-00-281-0057?

There are 12 known substitutes for 5975-00-281-0057: 5975-00-153-6386, 5975-00-153-6392, 5975-00-153-6397 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52C6?

Key specifications for 52C6: Overall Length: 4.000 INCHES NOMINAL IN; Overall Height: 0.073 INCHES NOMINAL IN; Overall Width: 4.000 INCHES NOMINAL IN; Cover Attachment Method: SCREW AND WASHER. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-281-0057 still in active supply?

NSN 5975-00-281-0057 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.
PartsTable Design LLC · partstable.com