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Technical Data Sheet
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CL-3-TN ✓ 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,T-SLOT is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-357-1473, 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
CL-3-TN
NSN: 5310-00-357-1473
FSC: 5310
CAGE: 99862 — CARR LANE MANUFACTURING CO (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,BLACK OXIDE FINISH,1/2-13 UNC THREAD,1.250 IN. LONG,1.125 IN. WIDTH,0.438 IN. BASE HEIGHT,0.750 OVERALL HEIGHT,0.688 IN. SLOT WIDTH IN
NSN5310-00-357-1473
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CL-3-TN · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,BLACK OXIDE FINISH,1/2-13 UNC THREAD,1.250 IN. LONG,1.125 IN. WIDTH,0.438 IN. BASE HEIGHT,0.750 OVERALL HEIGHT,0.688 IN. SLOT WIDTH IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,BLACK OXIDE FINISH,1/2-13 UNC THREAD,1.250 IN. LONG,1.125 IN. WIDTH,0.438 IN. BASE HEIGHT,0.750 OVERALL HEIGHT,0.688 IN. SLOT WIDTH IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3428170Interchangeable
interchangeable cross-reference
interchangeable
7249901Interchangeable
interchangeable cross-reference
interchangeable
28-3888Interchangeable
interchangeable cross-reference
interchangeable
47007Interchangeable
interchangeable cross-reference
interchangeable
54-393-530Interchangeable
interchangeable cross-reference
interchangeable
182112Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CL-3-TN?
CL-3-TN is a NUT,T-SLOT.
What parts can replace CL-3-TN?
There are 17 known substitutes for CL-3-TN: 3428170, 7249901, 28-3888 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CL-3-TN?
CL-3-TN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-357-1473. 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