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PartsTable / COMPONENT / M45938/11-8CL
M45938/11-8CL ✓ 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 M45938/11-8CL is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-390-5850, 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
M45938/11-8CL
NSN: 5310-01-390-5850
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45938/11-8CL
NSN5310-01-390-5850
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45938/11-8CL · 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
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
FEATURES PROVIDED: FLOATING NUT
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL COMP 303 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
FEATURES PROVIDEDFLOATING NUT
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
NUT STYLECLINCH
NUT HEIGHT0.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MS9060-06Interchangeable
interchangeable cross-reference
interchangeable
NASM45938/11Interchangeable
interchangeable cross-reference
interchangeable
AC-032-2Interchangeable
interchangeable cross-reference
interchangeable
322640-14Interchangeable
interchangeable cross-reference
interchangeable
3995-0002Interchangeable
interchangeable cross-reference
interchangeable
MIL-N-45938/11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45938/11-8CL?
M45938/11-8CL is a M45938/11-8CL.
What parts can replace M45938/11-8CL?
There are 16 known substitutes for M45938/11-8CL: MS9060-06, NASM45938/11, AC-032-2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M45938/11-8CL?
M45938/11-8CL is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-390-5850. 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