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50-389003 — 50-389003

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

50-389003: 50-389003.

The 50-389003 is a the manufacturer industrial component. Key specifications include material: PLASTIC, skirt_style: RING, skirt_design: NONDETACHABLE, overall_depth: 0.531 INCHES NOMINAL IN, pointer_design: NONDETACHABLE, inside_diameter: 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-629-4737, 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
50-389003
NSN: 5355-00-629-4737
FSC: 5355 — Knobs and Pointers
CAGE: 7EK50 — TEXTRON AVIATION INC (USA)
SPECIFICATIONS
materialPLASTIC
skirt_styleRING
skirt_designNONDETACHABLE
overall_depth0.531 INCHES NOMINAL IN
pointer_designNONDETACHABLE
inside_diameter0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
outside_diameter1.250 INCHES NOMINAL IN
screw_drive_typeCROSS RECESS TYPE 1
style_designatorROUND WITH SINGLE POINTED BAR FACE
attachment_methodSETSCREWS
overall_thickness0.719 INCHES NOMINAL IN
reference_markingLINE
NSN5355-00-629-4737
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 50-389003 TITLE COMPONENT PN 50-389003 MFR 50-389003
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.344 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.719 INCHES NOMINAL IN
•
SKIRT OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND WITH SINGLE POINTED BAR FACE
•
OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
REFERENCE MARKING: LINE
•
SETSCREW HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.344 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.719 INCHES NOMINAL IN
SKIRT OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
STYLE DESIGNATORROUND WITH SINGLE POINTED BAR FACE
OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
REFERENCE MARKINGLINE
SETSCREW HOLE QUANTITY2
NOMINAL THREAD SIZE0.138 INCHES SCREW HOLE IN
INSIDE DIAMETER0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
5355L23-000Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A623Reference 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 50-389003?
50-389003 is a 50-389003.
What parts can replace 50-389003?
There are 2 known substitutes for 50-389003: 5355L23-000, A623. Substitute compatibility should be verified for your specific system.
What is the NSN for 50-389003?
50-389003 is cataloged in the U.S. Government catalog under NSN 5355-00-629-4737. 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.