PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

404Cover,junction Box

Ni Industries Inc Bowers Mfg Co Div · NSN 5975-00-188-1158 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-188-1158 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-188-1158. Primary manufacturer part number: 404.
Features
  • Cover,junction Box — FSC 5975
  • Material: STEEL COVER
  • Cover Opening Shape and Quantity: 1 RECTANGULAR
  • First Center to Center Distance Between Mounting Holes: 3.312 INCHES NOMINAL IN
  • Cover Mounting Hole Quantity: 4
  • Cover Type: RAISED
  • Mounting Hole Diameter: 0.312 INCHES NOMINAL IN
  • Distance From Center of Mounting Hole to Edge Along the Width: 0.344 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Cover construction
General Description

The Cover,junction Box, cataloged under National Stock Number 5975-00-188-1158, 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 Ni Industries Inc Bowers Mfg Co Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-00-188-1158
Primary Part Number404
Item NameCover,junction Box
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerNi Industries Inc Bowers Mfg Co Div
StatusACTIVE
MaterialSTEEL COVER
Cover Opening Shape and Quantity1 RECTANGULAR
First Center to Center Distance Between Mounting Holes3.312 INCHES NOMINAL IN
Cover Mounting Hole Quantity4
Cover TypeRAISED
Mounting Hole Diameter0.312 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
Cover Attachment MethodSCREW AND SLOT
Second Center to Center Distance Between Mounting Holes3.312 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Standard Wiring Device Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
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
5975-00-194-4997 INTERCHANGEABLE
Extension,junction Box
5975-00-194-4998 INTERCHANGEABLE
Extension,junction Box
5975-00-194-8847 INTERCHANGEABLE
Extension,junction Box
5975-00-194-88744SPJD INTERCHANGEABLE
Junction Box
Egs Electrical Group Appleton Div
Cross-Reference Index
Part NumberManufacturer
404 PRIMARY Ni Industries Inc Bowers Mfg Co Div (USA)
24KY Porter H K Co Inc Electrical Div Ambridge Works (USA)
52C17 PRIMARY Abb Installation Products Inc (USA)
8470A PRIMARY Egs Electrical Group Appleton Div (USA)
778 PRIMARY Raco, a Division of Hubbell Incorporated(delaware) (USA)
FEDSTD128 Federal Specifications Promulgated by General Services Administration Washington DC (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
5975-00-194-4997INTERCHANGEABLE
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
5950-00-226-4637INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5975-00-188-1158?

NSN 5975-00-188-1158 is a Cover,junction Box, manufactured by Ni Industries Inc Bowers Mfg Co Div, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-188-1158?

NSN 5975-00-188-1158 has 6 cross-referenced part numbers: 404 (Ni Industries Inc Bowers Mfg Co Div), 24KY (Porter H K Co Inc Electrical Div Ambridge Works), 52C17 (Abb Installation Products Inc), 8470A (Egs Electrical Group Appleton Div), 778 (Raco, a Division of Hubbell Incorporated(delaware)) and 1 more.

What NSN replaces 5975-00-188-1158?

There are 12 known substitutes for 5975-00-188-1158: 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 404?

Key specifications for 404: Material: STEEL COVER; Cover Opening Shape and Quantity: 1 RECTANGULAR; First Center to Center Distance Between Mounting Holes: 3.312 INCHES NOMINAL IN; Cover Mounting Hole Quantity: 4. 16 total characteristics are documented in the Federal Logistics Information System.

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