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PartsTable / COMPONENT / L1017
L1017 ✓ 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: 0.500 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNS, 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 5310-00-423-8057, 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
L1017
NSN: 5310-00-423-8057
FSC: 5310
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.500 INCHES NOMINAL IN
thread_class2B
thread_seriesUNS
thread_directionRIGHT-HAND
width_across_flats1.500 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch14
NSN5310-00-423-8057
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: L1017 · 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: WASHER FACED
•
THREAD SERIES: UNS
•
THREAD QUANTITY PER INCH: 14
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
THREAD CLASS: 2B
•
MATERIAL: STEEL OVERALL
•
WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPEWASHER FACED
THREAD SERIESUNS
THREAD QUANTITY PER INCH14
NOMINAL THREAD SIZE1.000 INCHES IN
THREAD CLASS2B
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
T1451Interchangeable
interchangeable cross-reference
interchangeable
219760Interchangeable
interchangeable cross-reference
interchangeable
219755Interchangeable
interchangeable cross-reference
interchangeable
SB5 0.031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L1017?
L1017 is a NUT,PLAIN,HEXAGON.
What parts can replace L1017?
There are 4 known substitutes for L1017: T1451, 219760, 219755 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L1017?
L1017 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-423-8057. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026