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239AX339 — SCREW,SELF-DRILLING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

239AX339: SCREW,SELF-DRILLING.

The SCREW,SELF-DRILLING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: OVALOVAL, point_style: SELF-DRILLINGSELF-DRILLING, thread_class: 2A2A, fastener_length: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-552-8824, 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
239AX339
NSN: 5305-01-552-8824
FSC: 5305 — Screws
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleOVALOVAL
point_styleSELF-DRILLINGSELF-DRILLING
thread_class2A2A
fastener_length0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentCADMIUM OR CHROMATE ZINC OVERALL
internal_drive_styleCROSS RECESS TYPE IACROSS RECESS TYPE IA
thread_quantity_per_inch3232
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencySCREW, SELF DRILLING
NSN5305-01-552-8824
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 239AX339 · 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
•
FASTENER LENGTH: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
HEAD STYLE: OVALOVAL
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
POINT STYLE: SELF-DRILLINGSELF-DRILLING
•
SURFACE TREATMENT: CADMIUM OR CHROMATE ZINC OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE IACROSS RECESS TYPE IA
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEOVALOVAL
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
POINT STYLESELF-DRILLINGSELF-DRILLING
SURFACE TREATMENTCADMIUM OR CHROMATE ZINC OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE IACROSS RECESS TYPE IA
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, SELF DRILLING
THREAD CLASS2A2A
THREAD QUANTITY PER INCH3232
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 239AX339?
239AX339 is a SCREW,SELF-DRILLING.
What is the NSN for 239AX339?
239AX339 is cataloged in the U.S. Government catalog under NSN 5305-01-552-8824. This indicates validated use in U.S. government and defense supply chains.
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