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M45938/6-2C — Technical Data Sheet

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— · 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,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include nut_height: 0.132 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, nut_diameter: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN, pilot_length: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, thread_class: 3B, pilot_diameter: 0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM 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 5310-01-044-6577, 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
M45938/6-2C
NSN: 5310-01-044-6577
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
nut_height0.132 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
nut_diameter0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
pilot_length0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
thread_class3B
pilot_diameter0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
NSN5310-01-044-6577
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45938/6-2C · 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 ALL METAL DESIGN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.132 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
THREAD CLASS: 3B
•
NUT DIAMETER: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
PILOT LENGTH: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
•
PILOT DIAMETER: 0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.132 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
THREAD CLASS3B
NUT DIAMETER0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
PILOT LENGTH0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
PILOT DIAMETER0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1752101-3Interchangeable
interchangeable cross-reference
interchangeable
M45938-6-8Interchangeable
interchangeable cross-reference
interchangeable
MILN45938-6Interchangeable
interchangeable cross-reference
interchangeable
1752101-4Interchangeable
interchangeable cross-reference
interchangeable
M45938-6-6Interchangeable
interchangeable cross-reference
interchangeable
200AS106-6B060CRInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45938/6-2C?
M45938/6-2C is a NUT,SELF-LOCKING,CLINCH.
What parts can replace M45938/6-2C?
There are 20 known substitutes for M45938/6-2C: 1752101-3, M45938-6-8, MILN45938-6 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M45938/6-2C?
M45938/6-2C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-044-6577. 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: September 2026