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90258A288 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

90258A288: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL COUNTERSUNK, head_diameter: 11.0 MILLIMETERS NOMINAL MM, thread_length: 15.5 MILLIMETERS NOMINAL MM, screw_material: STEEL COMP 304, fastener_length: 20.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-616-9712, 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
90258A288
NSN: 5305-01-616-9712
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleOVAL COUNTERSUNK
head_diameter11.0 MILLIMETERS NOMINAL MM
thread_length15.5 MILLIMETERS NOMINAL MM
screw_materialSTEEL COMP 304
fastener_length20.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE III
end_item_identification3930-01-599-9978
nominal_thread_diameter6.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.0
NSN5305-01-616-9712
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 90258A288 · 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: 20.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.0
•
THREAD LENGTH: 15.5 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 6.0 MILLIMETERS MM
•
HEAD STYLE: OVAL COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 304
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE III
TECHNICAL CHARACTERISTICS
FASTENER LENGTH20.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.0
THREAD LENGTH15.5 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER6.0 MILLIMETERS MM
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 304
INTERNAL DRIVE STYLECROSS RECESS TYPE III
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
END ITEM IDENTIFICATION3930-01-599-9978
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 90258A288?
90258A288 is a SCREW,MACHINE.
What is the NSN for 90258A288?
90258A288 is cataloged in the U.S. Government catalog under NSN 5305-01-616-9712. This indicates validated use in U.S. government and defense supply chains.
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