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Technical Data Sheet
PartsTable / COMPONENT / M45913/3-14FG8C
M45913/3-14FG8C ✓ 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 M45913/3-14FG8C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-241-6665, 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
M45913/3-14FG8C
NSN: 5310-00-241-6665
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45913/3-14FG8C
NSN5310-00-241-6665
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45913/3-14FG8C · 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 QUANTITY PER INCH: 14
•
THREAD SERIES: UNF
•
SURFACE TREATMENT: CADMIUM NUT
•
NUT HEIGHT: 0.999 INCHES MAXIMUM IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
NOMINAL THREAD SIZE: 0.875 INCHES IN
•
MATERIAL: STEEL NUT
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH14
THREAD SERIESUNF
SURFACE TREATMENTCADMIUM NUT
NUT HEIGHT0.999 INCHES MAXIMUM IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE0.875 INCHES IN
MATERIALSTEEL NUT
NUT STYLEHEXAGON
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
MIL-DTL-45913CInterchangeable
interchangeable cross-reference
interchangeable
114356AInterchangeable
interchangeable cross-reference
interchangeable
MS51943-1Interchangeable
interchangeable cross-reference
interchangeable
5210113 PART 152Interchangeable
interchangeable cross-reference
interchangeable
12387349-43Interchangeable
interchangeable cross-reference
interchangeable
5210114 PART 152Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45913/3-14FG8C?
M45913/3-14FG8C is a M45913/3-14FG8C.
What parts can replace M45913/3-14FG8C?
There are 26 known substitutes for M45913/3-14FG8C: MIL-DTL-45913C, 114356A, MS51943-1 and 23 more. Substitute compatibility should be verified for your specific system.
Is M45913/3-14FG8C still available?
M45913/3-14FG8C is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026