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Technical Data Sheet

MIL-DTL-45913/2 — Technical Data Sheet

✓ 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 NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, nut_style: HEXAGON, nut_height: 0.320 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 2B, thread_series: UNF. This part is cataloged in the Federal Logistics Information System 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
materialSTEEL COMP 316 OVERALL
nut_styleHEXAGON
nut_height0.320 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT MAXIMUM DEGF
thread_class2B
thread_seriesUNF
hardness_rating32.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresALL-METAL LOCKNUT
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.551 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
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
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
MS51922-57InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
E5BS524CCInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
SK-2000-9InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
E6BS624CCInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
M45913/2-12CG5CInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LT-131-7InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-45913/2?
MIL-DTL-45913/2 is a NUT,SELF-LOCKING,HEXAGON.
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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