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PartsTable / COMPONENT / C31368-1420
C31368-1420 ✓ 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,CLIP-ON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: J-FRAMEJ-FRAME, lubrication: SOLUBLE LUBRICANTSOLUBLE LUBRICANT, thread_class: 2B2B, overall_width: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-281-5645, 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
C31368-1420
NSN: 5310-01-281-5645
FSC: 5310
CAGE: 78553 — TINNERMAN PALNUT ENGINEERED PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleJ-FRAMEJ-FRAME
lubricationSOLUBLE LUBRICANTSOLUBLE LUBRICANT
thread_class2B2B
overall_width0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
panel_thickness0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN
thread_directionRIGHT-HANDRIGHT-HAND
nominal_thread_size0.250 INCHES0.250 INCHES IN
thread_quantity_per_inch2020
distance_from_base_to_center_of_aperture0.840 INCHES MAXIMUM0.840 INCHES MAXIMUM IN
NSN5310-01-281-5645
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C31368-1420 · 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
•
MATERIAL: STEEL OVERALL
•
NOMINAL THREAD SIZE: 0.250 INCHES0.250 INCHES IN
•
LUBRICATION: SOLUBLE LUBRICANTSOLUBLE LUBRICANT
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
NUT STYLE: J-FRAMEJ-FRAME
•
DISTANCE FROM BASE TO CENTER OF APERTURE: 0.840 INCHES MAXIMUM0.840 INCHES MAXIMUM IN
•
THREAD CLASS: 2B2B
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES0.250 INCHES IN
LUBRICATIONSOLUBLE LUBRICANTSOLUBLE LUBRICANT
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
NUT STYLEJ-FRAMEJ-FRAME
DISTANCE FROM BASE TO CENTER OF APERTURE0.840 INCHES MAXIMUM0.840 INCHES MAXIMUM IN
OVERALL WIDTH0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
THREAD CLASS2B2B
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
PANEL THICKNESS0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
120437Interchangeable
interchangeable cross-reference
interchangeable
120-0386Interchangeable
interchangeable cross-reference
interchangeable
120A437Interchangeable
interchangeable cross-reference
interchangeable
120-386Interchangeable
interchangeable cross-reference
interchangeable
12043700Interchangeable
interchangeable cross-reference
interchangeable
126642Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C31368-1420?
C31368-1420 is a NUT,CLIP-ON.
What parts can replace C31368-1420?
There are 6 known substitutes for C31368-1420: 120437, 120-0386, 120A437 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C31368-1420?
C31368-1420 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-281-5645. 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