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Technical Data Sheet
PartsTable / COMPONENT / AES01C250A37AW9A91
AES01C250A37AW9A91 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN, fastener_length: 1.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-225-3841, 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
AES01C250A37AW9A91
NSN: 5305-00-225-3841
FSC: 5305
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class2A A
thread_length0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
fastener_length1.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC AND CHROMATE OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
minimum_yield_strength120000 POUNDS PER SQUARE INCH LBS
end_item_identificationRG-33 AUV MRAP; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
nominal_thread_diameter0.250 INCHES IN
NSN5305-00-225-3841
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AES01C250A37AW9A91 · 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: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
MINIMUM YIELD STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE429 GRADE 8 ASSN STD 1ST MATERIAL RESPONSE OR ASTMA354 GRADE BD ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
END ITEM IDENTIFICATIONRG-33 AUV MRAP; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD QUANTITY PER INCH20
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH LBS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE429 GRADE 8 ASSN STD 1ST MATERIAL RESPONSE OR ASTMA354 GRADE BD ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
FF-S-85Interchangeable
interchangeable cross-reference
interchangeable
MS90725-11Interchangeable
interchangeable cross-reference
interchangeable
NASM90725Interchangeable
interchangeable cross-reference
interchangeable
44461-8Interchangeable
interchangeable cross-reference
interchangeable
412-3250Interchangeable
Same NIIN cross-reference
interchangeable
MS90728-11Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AES01C250A37AW9A91?
AES01C250A37AW9A91 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace AES01C250A37AW9A91?
There are 9 known substitutes for AES01C250A37AW9A91: FF-S-85, MS90725-11, NASM90725 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AES01C250A37AW9A91?
AES01C250A37AW9A91 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-225-3841. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026