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AES20E375B50SH7A11 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AES20E375B50SH7A11: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, head_height: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.543 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-681-7477, 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
AES20E375B50SH7A11
NSN: 5305-01-681-7477
FSC: 5305 — Screws
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
head_height0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.543 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length0.875 INCHES NOMINAL IN
shoulder_shapeROUND ALL SHOULDERS
fastener_length2.50 INCHES NOMINAL IN
shoulder_length2.50 INCHES NOMINAL ALL SHOULDERS IN
thread_directionRIGHT-HAND
shoulder_diameter0.3710 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM ALL SHOULDERS IN
width_across_flats0.1875 INCHES NOMINAL IN
NSN5305-01-681-7477
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AES20E375B50SH7A11 · 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
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WIDTH ACROSS FLATS: 0.1875 INCHES NOMINAL IN
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HEAD HEIGHT: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.50 INCHES NOMINAL IN
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SHOULDER LENGTH: 2.50 INCHES NOMINAL ALL SHOULDERS IN
•
SHOULDER DIAMETER: 0.3710 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM ALL SHOULDERS IN
•
THREAD LENGTH: 0.875 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND ALL SHOULDERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ANY AUSTENITIC STAINLESS STEEL PER ASME B18.24-2015 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.1875 INCHES NOMINAL IN
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FASTENER LENGTH2.50 INCHES NOMINAL IN
SHOULDER LENGTH2.50 INCHES NOMINAL ALL SHOULDERS IN
SHOULDER DIAMETER0.3710 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM ALL SHOULDERS IN
THREAD LENGTH0.875 INCHES NOMINAL IN
SHOULDER SHAPEROUND ALL SHOULDERS
MATERIAL DOCUMENT AND CLASSIFICATIONANY AUSTENITIC STAINLESS STEEL PER ASME B18.24-2015 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEFLAT CHAMFER
SUBSTITUTES & CROSS-REFERENCES 1
ANSI B18.3Reference document
Same NSN cross-reference
Reference document — Secondary 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 AES20E375B50SH7A11?
AES20E375B50SH7A11 is a SCREW,SHOULDER.
What parts can replace AES20E375B50SH7A11?
There is 1 known substitute for AES20E375B50SH7A11: ANSI B18.3. Substitute compatibility should be verified for your specific system.
What is the NSN for AES20E375B50SH7A11?
AES20E375B50SH7A11 is cataloged in the U.S. Government catalog under NSN 5305-01-681-7477. 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.