PartsTable
Technical Data Sheet
18446ADX ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, screw_material: STEEL, fastener_length: 0.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, internal_drive_style: CROSS RECESS TYPE 1, nominal_thread_diameter: 0.164 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-445-3479, 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
18446ADX
NSN: 5305-01-445-3479
FSC: 5305
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
head_styleFILLISTER
screw_materialSTEEL
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5305-01-445-3479
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 18446ADX · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD DIRECTION: RIGHT-HAND
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
HEAD STYLE: FILLISTER
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
FASTENER LENGTH0.500 INCHES NOMINAL IN
SCREW MATERIALSTEEL
THREAD QUANTITY PER INCH32
SCREW SURFACE TREATMENTCADMIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
18-446Interchangeable
interchangeable cross-reference
interchangeable
15T7C115-125VInterchangeable
interchangeable cross-reference
interchangeable
6240PL1338226Interchangeable
interchangeable cross-reference
interchangeable
4720PL0852388Interchangeable
interchangeable cross-reference
interchangeable
H100-4Interchangeable
interchangeable cross-reference
interchangeable
20511258Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18446ADX?
18446ADX is a SCREW,MACHINE.
What parts can replace 18446ADX?
There are 8 known substitutes for 18446ADX: 18-446, 15T7C115-125V, 6240PL1338226 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18446ADX?
18446ADX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-445-3479. This indicates validated use in U.S. government and defense supply chains.
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