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34051S ✓ 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: 0.114 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-3091, 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
34051S
NSN: 5310-00-010-3091
FSC: 5310
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.114 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.312 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch32
nondefinitive_spec/std_data2 TYPE AND 13 STYLE AND 2B CLASS
NSN5310-00-010-3091
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 34051S · 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: 0.114 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
BEARING SURFACE TYPE: FLAT
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 13 STYLE AND 2B CLASS
•
MATERIAL: STEEL OVERALL
•
WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.114 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.138 INCHES IN
BEARING SURFACE TYPEFLAT
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 13 STYLE AND 2B CLASS
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS0.312 INCHES NOMINAL IN
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
84850Interchangeable
interchangeable cross-reference
interchangeable
N16311LInterchangeable
interchangeable cross-reference
interchangeable
FF-N-836 TY2ST13CL2BInterchangeable
interchangeable cross-reference
interchangeable
10309-1Interchangeable
interchangeable cross-reference
interchangeable
10309Interchangeable
interchangeable cross-reference
interchangeable
SUPER BONDER 414Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34051S?
34051S is a NUT,PLAIN,HEXAGON.
What parts can replace 34051S?
There are 25 known substitutes for 34051S: 84850, N16311L, FF-N-836 TY2ST13CL2B and 22 more. Substitute compatibility should be verified for your specific system.
Is 34051S still available?
34051S 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