PartsTable
Technical Data Sheet
12759-01316 ✓ 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 OVERALL, nut_style: HEXAGON, nut_height: 19.4 MILLIMETERS NOMINAL MM, temp_rating: 200.0 CELSIUS MAXIMUM DEGC, thread_class: 6H, hardness_rating: 40.0 ROCKWELL A NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-600-4093, 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
12759-01316
NSN: 5310-01-600-4093
FSC: 5310
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height19.4 MILLIMETERS NOMINAL MM
temp_rating200.0 CELSIUS MAXIMUM DEGC
thread_class6H
thread_seriesM
hardness_rating40.0 ROCKWELL A NOMINAL
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats29.6 MILLIMETERS NOMINAL MM
nominal_thread_size20.0 MILLIMETERS MM
NSN5310-01-600-4093
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12759-01316 · 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 TYPE: FLAT
THREAD DIRECTION: RIGHT-HAND
THREAD CLASS: 6H
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD SERIES: M
NUT HEIGHT: 19.4 MILLIMETERS NOMINAL MM
TEMP RATING: 200.0 CELSIUS MAXIMUM DEGC
NOMINAL THREAD SIZE: 20.0 MILLIMETERS MM
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPEFLAT
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS6H
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD SERIESM
NUT HEIGHT19.4 MILLIMETERS NOMINAL MM
TEMP RATING200.0 CELSIUS MAXIMUM DEGC
NOMINAL THREAD SIZE20.0 MILLIMETERS MM
NUT STYLEHEXAGON
THREAD PITCH IN MILLIMETERS2.5
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
40187Interchangeable
interchangeable cross-reference
interchangeable
UD0804001-07Interchangeable
interchangeable cross-reference
interchangeable
UD84007Interchangeable
interchangeable cross-reference
interchangeable
C3NN6149TInterchangeable
interchangeable cross-reference
interchangeable
MQ1583Interchangeable
interchangeable cross-reference
interchangeable
A524Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12759-01316?
12759-01316 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 12759-01316?
There are 9 known substitutes for 12759-01316: 40187, UD0804001-07, UD84007 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-01316?
12759-01316 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-600-4093. This indicates validated use in U.S. government and defense supply chains.
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