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AESY1M20440MDH1A31 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AESY1M20440MDH1A31: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_height: 1.2 MILLIMETERS MAXIMUM MM, thread_class: 6G G, head_diameter: 3.5 MILLIMETERS MINIMUM AND 4.4 MILLIMETERS MAXIMUM MM, thread_length: 4.0 MILLIMETERS NOMINAL MM, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-706-8081, 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
AESY1M20440MDH1A31
NSN: 5305-01-706-8081
FSC: 5305 — Screws
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
head_height1.2 MILLIMETERS MAXIMUM MM
thread_class6G G
head_diameter3.5 MILLIMETERS MINIMUM AND 4.4 MILLIMETERS MAXIMUM MM
thread_length4.0 MILLIMETERS NOMINAL MM
screw_materialSTEEL CORROSION RESISTING
fastener_length4.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
end_item_identification2360-016713751
nominal_thread_diameter2.0 MILLIMETERS MM
NSN5305-01-706-8081
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AESY1M20440MDH1A31 · 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
•
HEAD HEIGHT: 1.2 MILLIMETERS MAXIMUM MM
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 4.0 MILLIMETERS NOMINAL MM
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F836M, CLASS A2-50, CONDITION A NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
•
THREAD PITCH IN MILLIMETERS: 0.4
•
THREAD LENGTH: 4.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 2.0 MILLIMETERS MM
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
HEAD HEIGHT1.2 MILLIMETERS MAXIMUM MM
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH4.0 MILLIMETERS NOMINAL MM
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM F836M, CLASS A2-50, CONDITION A NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
THREAD PITCH IN MILLIMETERS0.4
THREAD LENGTH4.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER2.0 MILLIMETERS MM
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA05047-ASME B18.24-2020 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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 AESY1M20440MDH1A31?
AESY1M20440MDH1A31 is a SCREW,MACHINE.
What is the NSN for AESY1M20440MDH1A31?
AESY1M20440MDH1A31 is cataloged in the U.S. Government catalog under NSN 5305-01-706-8081. This indicates validated use in U.S. government and defense supply chains.
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