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AES01C625B25WA6A21 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AES01C625B25WA6A21: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.500 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN, fastener_length: 2.170 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-684-2815, 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
AES01C625B25WA6A21
NSN: 5305-01-684-2815
FSC: 5305 — Screws
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
thread_class2A A
hole_quantity1
thread_length1.500 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
fastener_length2.170 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
end_item_identification2355-01-620-2131
NSN5305-01-684-2815
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AES01C625B25WA6A21 · 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: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.170 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.500 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
FASTENER LENGTH2.170 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
THREAD LENGTH1.500 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
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 B18.24Reference 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 AES01C625B25WA6A21?
AES01C625B25WA6A21 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace AES01C625B25WA6A21?
There is 1 known substitute for AES01C625B25WA6A21: ASME B18.24. Substitute compatibility should be verified for your specific system.
What is the NSN for AES01C625B25WA6A21?
AES01C625B25WA6A21 is cataloged in the U.S. Government catalog under NSN 5305-01-684-2815. 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.