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AB-443JL — JUNCTION BOX

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AB-443JL: JUNCTION BOX.

The JUNCTION BOX is a the manufacturer industrial component. Key specifications include material: STEEL BODY, body_width: 4.000 INCHES NOMINAL IN, cover_type: BLANK, body_length: 4.000 INCHES NOMINAL IN, inside_depth: 2.040 INCHES NOMINAL IN, style_designator: RECTANGULAR-SQUARE CORNER BOX. This part is cataloged in the U.S.

Government catalog under NSN 5975-00-467-3999, 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
AB-443JL
NSN: 5975-00-467-3999
NIINs: 004673999, 008340568
FSC: 5975 — Electrical Hardware and Supplies
CAGE: 63098 — AUSTIN CO INC THE AN INDEPENDENTLY OWNED AND OPERATED BUSINESS (USA)
SPECIFICATIONS
materialSTEEL BODY
body_width4.000 INCHES NOMINAL IN
cover_typeBLANK
body_length4.000 INCHES NOMINAL IN
inside_depth2.040 INCHES NOMINAL IN
style_designatorRECTANGULAR-SQUARE CORNER BOX
surface_treatmentENAMEL BODY
cover_attachment_methodHINGE
end_item_identificationW/S: ENGINE, AIRCRAFT J-52; AVIATION ENGINE TEST SYSTEMS (AETS); ENGINE, AIRCRAFT F-404 (F/A-18 A-D); ENGINE, AIRCRAFT F-402; AIRCRAFT, EAGLE F-15 A
environmental_protectionDUSTPROOF
cover_opening_shape_and_quantity1 OBLONG
NSN5975-00-467-3999
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available JUNCTION BOX TITLE COMPONENT PN AB-443JL MFR JUNCTION BOX
KEY FEATURES
•
INSIDE DEPTH: 4.000 INCHES NOMINAL IN
•
BODY WIDTH: 4.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SQUARE-TWO GANG BOX
•
BODY LENGTH: 3.000 INCHES NOMINAL IN
•
COVER TYPE: HINGED
•
SURFACE TREATMENT: ENAMEL OVERALL
•
ENVIRONMENTAL PROTECTION: DUSTPROOF
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
INSIDE DEPTH4.000 INCHES NOMINAL IN
BODY WIDTH4.000 INCHES NOMINAL IN
STYLE DESIGNATORSQUARE-TWO GANG BOX
BODY LENGTH3.000 INCHES NOMINAL IN
COVER TYPEHINGED
SURFACE TREATMENTENAMEL OVERALL
ENVIRONMENTAL PROTECTIONDUSTPROOF
MATERIALSTEEL BODY
MATERIALSTEEL COVER
COVER OPENING SHAPE AND QUANTITY1 OBLONG
SUBSTITUTES & CROSS-REFERENCES 2
404LPReference document
Same NSN cross-reference
Reference document — Design control — primary reference
SB-443JLReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AB-443JL?
AB-443JL is a JUNCTION BOX.
What parts can replace AB-443JL?
There are 2 known substitutes for AB-443JL: 404LP, SB-443JL. Substitute compatibility should be verified for your specific system.
What is the NSN for AB-443JL?
AB-443JL is cataloged in the U.S. Government catalog under NSN 5975-00-467-3999. 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.