PartsTable
Technical Data Sheet
340543 ✓ 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,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.156 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-3089, 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
340543
NSN: 5310-00-010-3089
FSC: 5310
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.156 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.216 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch24
nondefinitive_spec/std_dataC GROUP AND 2 TYPE AND 1 STYLE AND A GRADE
NSN5310-00-010-3089
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 340543 · 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
NUT HEIGHT: 0.156 INCHES NOMINAL IN
NOMINAL THREAD SIZE: 0.216 INCHES IN
THREAD QUANTITY PER INCH: 24
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPE: FLAT
NONDEFINITIVE SPEC/STD DATA: C GROUP AND 2 TYPE AND 1 STYLE AND A GRADE
THREAD CLASS: 2B
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.156 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.216 INCHES IN
THREAD QUANTITY PER INCH24
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPEFLAT
NONDEFINITIVE SPEC/STD DATAC GROUP AND 2 TYPE AND 1 STYLE AND A GRADE
THREAD CLASS2B
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
110921Interchangeable
interchangeable cross-reference
interchangeable
FFN836GPCTYPE2STYLE1GRADEAInterchangeable
interchangeable cross-reference
interchangeable
110922Interchangeable
interchangeable cross-reference
interchangeable
110923Interchangeable
interchangeable cross-reference
interchangeable
0906735-6Interchangeable
interchangeable cross-reference
interchangeable
114776Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 340543?
340543 is a NUT,PLAIN,HEXAGON.
What parts can replace 340543?
There are 23 known substitutes for 340543: 110921, FFN836GPCTYPE2STYLE1GRADEA, 110922 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 340543?
340543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-3089. This indicates validated use in U.S. government and defense supply chains.
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