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90628A647 — SCREW,SELF-DRILLING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

90628A647: SCREW,SELF-DRILLING.

The SCREW,SELF-DRILLING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER, head_height: 0.323 INCHES NOMINAL0.323 INCHES NOMINAL IN, point_style: SELF-DRILLINGSELF-DRILLING, pilot_length: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN, thread_class: 2A2A. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-642-5718, 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
90628A647
NSN: 5305-01-642-5718
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER
head_height0.323 INCHES NOMINAL0.323 INCHES NOMINAL IN
point_styleSELF-DRILLINGSELF-DRILLING
pilot_length0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
thread_class2A2A
fastener_length3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN
special_featuresOEM ITW TEKS, CAGE UNKNOWNOEM ITW TEKS, CAGE UNKNOWN
thread_directionRIGHT-HANDRIGHT-HAND
width_across_flats0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
width_between_flats0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
internal_drive_styleHEXAGONHEXAGON
NSN5305-01-642-5718
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 90628A647 · 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
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.323 INCHES NOMINAL0.323 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES0.250 INCHES IN
•
HEAD STYLE: HEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
POINT STYLE: SELF-DRILLINGSELF-DRILLING
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
HEAD HEIGHT0.323 INCHES NOMINAL0.323 INCHES NOMINAL IN
FASTENER LENGTH3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES0.250 INCHES IN
HEAD STYLEHEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
POINT STYLESELF-DRILLINGSELF-DRILLING
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
PILOT LENGTH0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90628A647?
90628A647 is a SCREW,SELF-DRILLING.
What is the NSN for 90628A647?
90628A647 is cataloged in the U.S. Government catalog under NSN 5305-01-642-5718. 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.