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AES20X250A75EA3BZ1 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AES20X250A75EA3BZ1: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, fastener_length: 1.750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, width_across_flats: 0.250 INCHES NOMINAL IN, internal_drive_style: HEXAGON, end_item_identification: 2590-01-551-7979 HOIST UNIT,HYDRAULIC,VEHICULAR BODY. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-561-8757, 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
AES20X250A75EA3BZ1
NSN: 5305-01-561-8757
FSC: 5305 — Screws
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
fastener_length1.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.250 INCHES NOMINAL IN
internal_drive_styleHEXAGON
end_item_identification2590-01-551-7979 HOIST UNIT,HYDRAULIC,VEHICULAR BODY
specification/standard_dataB18.A-2006 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5305-01-561-8757
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AES20X250A75EA3BZ1 · 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
SPECIFICATION/STANDARD DATA: B18.A-2006 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
INTERNAL DRIVE STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
FASTENER LENGTH1.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATAB18.A-2006 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
INTERNAL DRIVE STYLEHEXAGON
END ITEM IDENTIFICATION2590-01-551-7979 HOIST UNIT,HYDRAULIC,VEHICULAR BODY
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 AES20X250A75EA3BZ1?
AES20X250A75EA3BZ1 is a SCREW,SHOULDER.
What is the NSN for AES20X250A75EA3BZ1?
AES20X250A75EA3BZ1 is cataloged in the U.S. Government catalog under NSN 5305-01-561-8757. 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.