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PartsTable / COMPONENT / 8152B0440-3A
8152B0440-3A ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, nut_style: ROUND, nut_diameter: 0.250 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.250 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-9298, 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
8152B0440-3A
NSN: 5310-00-186-9298
FSC: 5310
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
nut_styleROUND
nut_diameter0.250 INCHES NOMINAL IN
thread_class2B
nut_thickness0.250 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.112 INCHES IN
thread_quantity_per_inch40
material_document_and_classificationQQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-186-9298
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8152B0440-3A · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 40
•
MATERIAL: COPPER ALLOY 360 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NUT STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
NUT THICKNESS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.112 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
MATERIALCOPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEROUND
THREAD DIRECTIONRIGHT-HAND
NUT THICKNESS0.250 INCHES NOMINAL IN
NUT DIAMETER0.250 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2370Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-18/7Interchangeable
interchangeable cross-reference
interchangeable
BA027Interchangeable
interchangeable cross-reference
interchangeable
SS3Interchangeable
interchangeable cross-reference
interchangeable
62D29Interchangeable
interchangeable cross-reference
interchangeable
4L370Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8152B0440-3A?
8152B0440-3A is a NUT,PLAIN,ROUND.
What parts can replace 8152B0440-3A?
There are 19 known substitutes for 8152B0440-3A: 2370, MIL-B-18/7, BA027 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8152B0440-3A?
8152B0440-3A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-9298. 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