AES18U375750EA3A31 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

AES18U375750EA3A31: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: BUTTON, head_height: 0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, thread_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-735-0346, 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

AES18U375750EA3A31

NSN: 5305-01-735-0346
FSC: 5305 — Screws
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	BUTTON
head_height	0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
thread_length	0.750 INCHES NOMINAL IN
fastener_length	0.750 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.219 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.375 INCHES IN
NSN	5305-01-735-0346

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.219 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.750 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.750 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F879, ALLOY GROUP 1, CONDITION CW AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

HEAD STYLE: BUTTON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.219 INCHES NOMINAL IN
HEAD HEIGHT	0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
FASTENER LENGTH	0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM A380 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM F879, ALLOY GROUP 1, CONDITION CW AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	BUTTON
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	05047-ASME B18.24-2023 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 1

ASME B18.24-2023Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 AES18U375750EA3A31?

AES18U375750EA3A31 is a SCREW,CAP,SOCKET HEAD.

What parts can replace AES18U375750EA3A31?

There is 1 known substitute for AES18U375750EA3A31: ASME B18.24-2023. Substitute compatibility should be verified for your specific system.

What is the NSN for AES18U375750EA3A31?

AES18U375750EA3A31 is cataloged in the U.S. Government catalog under NSN 5305-01-735-0346. This indicates validated use in U.S. government and defense supply chains.

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