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4A239 — JUNCTION BOX

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4A239: JUNCTION BOX.

The JUNCTION BOX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 2.125 INCHES NOMINAL IN, body_length: 4.000 INCHES NOMINAL IN, inside_depth: 2.125 INCHES NOMINAL IN, style_designator: STANDARD RECTANGULAR-MASONRY-SEE THRU, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5975-01-619-4205, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4A239
NSN: 5975-01-619-4205
FSC: 5975 — Electrical Hardware and Supplies
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width2.125 INCHES NOMINAL IN
body_length4.000 INCHES NOMINAL IN
inside_depth2.125 INCHES NOMINAL IN
style_designatorSTANDARD RECTANGULAR-MASONRY-SEE THRU
surface_treatmentZINC OVERALL
part_name_assigned_by_controlling_agencyRACO HAND BOX, 16.5 CUBIC INCH
NSN5975-01-619-4205
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available JUNCTION BOX TITLE COMPONENT PN 4A239 MFR JUNCTION BOX
KEY FEATURES
•
INSIDE DEPTH: 2.125 INCHES NOMINAL IN
•
BODY WIDTH: 2.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STANDARD RECTANGULAR-MASONRY-SEE THRU
•
BODY LENGTH: 4.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
INSIDE DEPTH2.125 INCHES NOMINAL IN
BODY WIDTH2.125 INCHES NOMINAL IN
STYLE DESIGNATORSTANDARD RECTANGULAR-MASONRY-SEE THRU
BODY LENGTH4.000 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYRACO HAND BOX, 16.5 CUBIC INCH
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5975 — Electrical Hardware and Supplies
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5975-00-000-0120 5975-00-000-0126 5975-00-000-7420 5975-00-001-1397 5975-00-001-1538 5975-00-001-1539 5975-00-001-1542 5975-00-001-2444
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4A239?
4A239 is a JUNCTION BOX.
What is the NSN for 4A239?
4A239 is cataloged in the U.S. Government catalog under NSN 5975-01-619-4205. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.