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PartsTable / COMPONENT / AESC250A00SH8A31
AESC250A00SH8A31 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316, fastener_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-719-5007, 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
AESC250A00SH8A31
NSN: 5305-00-719-5007
FSC: 5305
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
end_item_identificationMRAP - M-ATV; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-00-719-5007
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AESC250A00SH8A31 · 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
•
THREAD LENGTH: 0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES
•
THREAD QUANTITY PER INCH: 20
•
SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
HEAD STYLEFLAT COUNTERSUNK
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
END ITEM IDENTIFICATIONMRAP - M-ATV; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
THREAD QUANTITY PER INCH20
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.250 INCHES IN
SCREW SURFACE TREATMENTPASSIVATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
23310Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296 TY1SEAInterchangeable
interchangeable cross-reference
interchangeable
AN74-5Interchangeable
interchangeable cross-reference
interchangeable
MS20073-04-05Interchangeable
interchangeable cross-reference
interchangeable
LS2326-4S1.0600Interchangeable
interchangeable cross-reference
interchangeable
LS3859-4-34Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AESC250A00SH8A31?
AESC250A00SH8A31 is a SCREW,MACHINE.
What parts can replace AESC250A00SH8A31?
There are 14 known substitutes for AESC250A00SH8A31: 23310, GGG-D-296 TY1SEA, AN74-5 and 11 more. Substitute compatibility should be verified for your specific system.
Is AESC250A00SH8A31 still available?
AESC250A00SH8A31 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026