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PartsTable / COMPONENT / N16311J
N16311J ✓ 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: 0.130 INCHES MAXIMUM 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 5310-01-045-5588, 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
N16311J
NSN: 5310-01-045-5588
FSC: 5310
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.130 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.344 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
bearing_surface_typeFLAT
end_item_identificationLOGISTGICS SUPPORT VESSEL
thread_quantity_per_inch32
NSN5310-01-045-5588
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N16311J · 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
•
THREAD CLASS: 2B
•
MATERIAL: STEEL OVERALL
•
NUT STYLE: HEXAGON
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 32
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
BEARING SURFACE TYPE: FLAT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
END ITEM IDENTIFICATIONLOGISTGICS SUPPORT VESSEL
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.164 INCHES IN
BEARING SURFACE TYPEFLAT
WIDTH ACROSS FLATS0.344 INCHES NOMINAL IN
NUT HEIGHT0.130 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
103091Interchangeable
interchangeable cross-reference
interchangeable
B18.6.3Interchangeable
interchangeable cross-reference
interchangeable
84850Interchangeable
interchangeable cross-reference
interchangeable
N16311LInterchangeable
interchangeable cross-reference
interchangeable
FF-N-836 TY2ST13CL2BInterchangeable
interchangeable cross-reference
interchangeable
NC-301Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N16311J?
N16311J is a NUT,PLAIN,HEXAGON.
What parts can replace N16311J?
There are 22 known substitutes for N16311J: 103091, B18.6.3, 84850 and 19 more. Substitute compatibility should be verified for your specific system.
Is N16311J still available?
N16311J 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