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422903-1 — 422903-1

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

422903-1: 422903-1.

The 422903-1 is a the manufacturer industrial component. Key specifications include width: 1.000 INCHES NOMINAL IN, skirt_style: RING, skirt_design: NONDETACHABLE, overall_depth: 0.562 INCHES NOMINAL IN, inside_diameter: 0.253 INCHES NOMINAL IN, screw_drive_type: HEXAGON SOCKET. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-720-5018, 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
422903-1
NSN: 5355-00-720-5018
FSC: 5355 — Knobs and Pointers
CAGE: 31550 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORPORATION (USA)
SPECIFICATIONS
width1.000 INCHES NOMINAL IN
skirt_styleRING
skirt_designNONDETACHABLE
overall_depth0.562 INCHES NOMINAL IN
inside_diameter0.253 INCHES NOMINAL IN
screw_drive_typeHEXAGON SOCKET
style_designatorFLUTED FOILS
attachment_methodSETSCREWS OR HOLE
overall_thickness0.562 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES SCREW HOLE IN
fluted_foil_quantity7
setscrew_hole_quantity1
NSN5355-00-720-5018
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 422903-1 TITLE COMPONENT PN 422903-1 MFR 422903-1
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.281 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.562 INCHES NOMINAL IN
•
SKIRT OUTSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLUTED FOILS
•
SETSCREW HOLE QUANTITY: 1
•
NOMINAL THREAD SIZE: 0.138 INCHES SCREW HOLE IN
•
INSIDE DIAMETER: 0.253 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.281 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.562 INCHES NOMINAL IN
SKIRT OUTSIDE DIAMETER0.688 INCHES NOMINAL IN
STYLE DESIGNATORFLUTED FOILS
SETSCREW HOLE QUANTITY1
NOMINAL THREAD SIZE0.138 INCHES SCREW HOLE IN
INSIDE DIAMETER0.253 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONSMOOTH
SKIRT DESIGNNONDETACHABLE
OTHER ITEMS IN FSC 5355 — Knobs and Pointers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5355-00-000-5777 5355-00-001-2029 5355-00-001-2403 5355-00-001-4109 5355-00-001-4677 5355-00-001-4724 5355-00-001-4730 5355-00-001-4734
SUBSTITUTES & CROSS-REFERENCES 1
58A30B21-1Reference 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 422903-1?
422903-1 is a 422903-1.
What parts can replace 422903-1?
There is 1 known substitute for 422903-1: 58A30B21-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 422903-1?
422903-1 is cataloged in the U.S. Government catalog under NSN 5355-00-720-5018. 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.