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PartsTable / COMPONENT / AVK#AKS4-420-165
AVK#AKS4-420-165 ✓ 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 AVK#AKS4-420-165 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 5310-01-652-0142, 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
AVK#AKS4-420-165
NSN: 5310-01-652-0142
FSC: 5310
CAGE: 0KMA3 — ADAMS NUT AND BOLT CO INC (USA)
SPECIFICATIONS
Part NumberAVK#AKS4-420-165
NSN5310-01-652-0142
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AVK#AKS4-420-165 · 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
•
PILOT DIAMETER: 0.390 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT DIAMETER: 0.460 INCHES NOMINAL IN
•
NUT STYLE: CLINCH
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
PILOT DIAMETER0.390 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,PLAIN,CLINCH
NOMINAL THREAD SIZE0.250 INCHES IN
NUT DIAMETER0.460 INCHES NOMINAL IN
NUT STYLECLINCH
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
13579Interchangeable
interchangeable cross-reference
interchangeable
9100-2951Interchangeable
interchangeable cross-reference
interchangeable
62132Interchangeable
interchangeable cross-reference
interchangeable
62009 REV E PIECE 11Interchangeable
interchangeable cross-reference
interchangeable
62134Interchangeable
interchangeable cross-reference
interchangeable
62009-M17831 PIECE 11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AVK#AKS4-420-165?
AVK#AKS4-420-165 is a AVK#AKS4-420-165.
What parts can replace AVK#AKS4-420-165?
There are 7 known substitutes for AVK#AKS4-420-165: 13579, 9100-2951, 62132 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AVK#AKS4-420-165?
AVK#AKS4-420-165 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-652-0142. 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