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PartsTable / COMPONENT / SMB157024
SMB157024 ✓ 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,RECTANGULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLAIN, RECTANGULAR, nut_width: 0.312 INCHES NOMINAL IN, nut_height: 0.125 INCHES NOMINAL IN, nut_length: 0.625 INCHES NOMINAL IN, thread_class: 2B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-395-9639, 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
SMB157024
NSN: 5310-00-395-9639
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLAIN, RECTANGULAR
nut_width0.312 INCHES NOMINAL IN
nut_height0.125 INCHES NOMINAL IN
nut_length0.625 INCHES NOMINAL IN
thread_class2B
thread_seriesUNEF
special_features0.047 IN. THK PROJECTION ONE SIDE IN
thread_directionRIGHT-HAND
nominal_thread_size0.156 INCHES IN
thread_quantity_per_inch32
NSN5310-00-395-9639
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SMB157024 · 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
•
NUT HEIGHT: 0.125 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.156 INCHES IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNEF
•
NUT WIDTH: 0.312 INCHES NOMINAL IN
•
NUT STYLE: PLAIN, RECTANGULAR
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.125 INCHES NOMINAL IN
SPECIAL FEATURES0.047 IN. THK PROJECTION ONE SIDE IN
NOMINAL THREAD SIZE0.156 INCHES IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNEF
NUT WIDTH0.312 INCHES NOMINAL IN
NUT STYLEPLAIN, RECTANGULAR
THREAD CLASS2B
MATERIALSTEEL OVERALL
NUT LENGTH0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
52073Interchangeable
interchangeable cross-reference
interchangeable
0020428500700Interchangeable
interchangeable cross-reference
interchangeable
LS-2050/52073 SInterchangeable
interchangeable cross-reference
interchangeable
LS-2050/52073Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB157024?
SMB157024 is a NUT,PLAIN,RECTANGULAR.
What parts can replace SMB157024?
There are 4 known substitutes for SMB157024: 52073, 0020428500700, LS-2050/52073 S and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMB157024?
SMB157024 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-395-9639. 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