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Technical Data Sheet
PartsTable / COMPONENT / M45913/2-8CG5C
M45913/2-8CG5C ✓ 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 M45913/2-8CG5C 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 5310-01-461-4610, 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
M45913/2-8CG5C
NSN: 5310-01-461-4610
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45913/2-8CG5C
NSN5310-01-461-4610
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45913/2-8CG5C · 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
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 13
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
BEARING SURFACE FINISH125.0 MICROINCHES
NOMINAL THREAD SIZE0.500 INCHES IN
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MS51943-4Interchangeable
interchangeable cross-reference
interchangeable
5310PL0918864Interchangeable
interchangeable cross-reference
interchangeable
M45913/3-5FG8PInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-45913Interchangeable
interchangeable cross-reference
interchangeable
MS51943-57Interchangeable
interchangeable cross-reference
interchangeable
M45913/3-24FG8CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45913/2-8CG5C?
M45913/2-8CG5C is a M45913/2-8CG5C.
What parts can replace M45913/2-8CG5C?
There are 21 known substitutes for M45913/2-8CG5C: MS51943-4, 5310PL0918864, M45913/3-5FG8P and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M45913/2-8CG5C?
M45913/2-8CG5C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-461-4610. 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