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ASK21018- — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ASK21018-: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: PAN, head_diameter: 3.94 MILLIMETERS MINIMUM AND 4.24 MILLIMETERS MAXIMUM MM, fastener_length: 7.93 MILLIMETERS NOMINAL MM, special_features: 2-28 TRIPLASK II TRILOBULAR THREADS OR EQUIVILENT, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-690-8560, 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
ASK21018-
NSN: 5305-01-690-8560
FSC: 5305 — Screws
CAGE: 28198 — POSITRONIC INDUSTRIES INC DIV AMPHENOL MILITARY AEROSPACE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_stylePAN
head_diameter3.94 MILLIMETERS MINIMUM AND 4.24 MILLIMETERS MAXIMUM MM
fastener_length7.93 MILLIMETERS NOMINAL MM
special_features2-28 TRIPLASK II TRILOBULAR THREADS OR EQUIVILENT
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE III
end_item_identification01-674-6986
nonmachine_thread_styleBLUNT (TYPE TT)
part_name_assigned_by_controlling_agencyPHILLIP PAN HEAD SELF-TAPPING SCREW
NSN5305-01-690-8560
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ASK21018- · 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: 7.93 MILLIMETERS NOMINAL MM
•
NONMACHINE THREAD STYLE: BLUNT (TYPE TT)
•
HEAD STYLE: PAN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE III
TECHNICAL CHARACTERISTICS
FASTENER LENGTH7.93 MILLIMETERS NOMINAL MM
NONMACHINE THREAD STYLEBLUNT (TYPE TT)
HEAD STYLEPAN
SPECIAL FEATURES2-28 TRIPLASK II TRILOBULAR THREADS OR EQUIVILENT
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE III
PART NAME ASSIGNED BY CONTROLLING AGENCYPHILLIP PAN HEAD SELF-TAPPING SCREW
END ITEM IDENTIFICATION01-674-6986
MATERIALSTEEL CORROSION RESISTING OVERALL
HEAD DIAMETER3.94 MILLIMETERS MINIMUM AND 4.24 MILLIMETERS MAXIMUM MM
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ASK21018-?
ASK21018- is a SCREW,TAPPING.
What is the NSN for ASK21018-?
ASK21018- is cataloged in the U.S. Government catalog under NSN 5305-01-690-8560. This indicates validated use in U.S. government and defense supply chains.
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