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Technical Data Sheet
PartsTable / COMPONENT / MIL-DTL-45913/2
MIL-DTL-45913/2 ✓ 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 MIL-DTL-45913/2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-067-6356, 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
MIL-DTL-45913/2
NSN: 5310-00-067-6356
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-DTL-45913/2
NSN5310-00-067-6356
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MIL-DTL-45913/2 · 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
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
WIDTH ACROSS FLATS: 1.088 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD QUANTITY PER INCH: 10
•
LUBRICATION: DRY FILM LUBRICANT
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE FINISH125.0 MICROINCHES
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS1.088 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.750 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH10
LUBRICATIONDRY FILM LUBRICANT
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MS51922-57Interchangeable
Same NIIN cross-reference
interchangeable
E5BS524CCInterchangeable
Same NIIN cross-reference
interchangeable
SK-2000-9Interchangeable
Same NIIN cross-reference
interchangeable
E6BS624CCInterchangeable
Same NIIN cross-reference
interchangeable
M45913/2-12CG5CInterchangeable
Same NIIN cross-reference
interchangeable
LT-131-7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-45913/2?
MIL-DTL-45913/2 is a MIL-DTL-45913/2.
What parts can replace MIL-DTL-45913/2?
There are 8 known substitutes for MIL-DTL-45913/2: MS51922-57, E5BS524CC, SK-2000-9 and 5 more. Substitute compatibility should be verified for your specific system.
Is MIL-DTL-45913/2 still available?
MIL-DTL-45913/2 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