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Technical Data Sheet
PartsTable / COMPONENT / ALS4-610-4.2
ALS4-610-4.2 ✓ 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 ALS4-610-4.2 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 5310-01-620-8596, 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
ALS4-610-4.2
NSN: 5310-01-620-8596
FSC: 5310
CAGE: 78276 — AVK INDUSTRIES PRODUCTS INC (USA)
SPECIFICATIONS
Part NumberALS4-610-4.2
NSN5310-01-620-8596
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ALS4-610-4.2 · 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 SERIES: M
•
NUT LENGTH: 14.35 MILLIMETERS MINIMUM AND 15.11 MILLIMETERS MAXIMUM MM
•
HEAD DIAMETER: 12.7 MILLIMETERS NOMINAL MM
•
HEAD STYLE: FLUSH
•
THREAD DIRECTION: RIGHT-HAND
•
NUT DIAMETER: 12.7 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 0.68 MILLIMETERS MINIMUM AND 0.84 MILLIMETERS MAXIMUM MM
•
NUT STYLE: BLIND RIVET W/SMOOTH ROUND SHANK
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESM
NUT LENGTH14.35 MILLIMETERS MINIMUM AND 15.11 MILLIMETERS MAXIMUM MM
HEAD DIAMETER12.7 MILLIMETERS NOMINAL MM
HEAD STYLEFLUSH
THREAD DIRECTIONRIGHT-HAND
NUT DIAMETER12.7 MILLIMETERS NOMINAL MM
HEAD HEIGHT0.68 MILLIMETERS MINIMUM AND 0.84 MILLIMETERS MAXIMUM MM
NUT STYLEBLIND RIVET W/SMOOTH ROUND SHANK
SHANK END TYPEOPEN
NOMINAL THREAD SIZE6.0 MILLIMETERS MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
4HC47Interchangeable
interchangeable cross-reference
interchangeable
1961-BInterchangeable
interchangeable cross-reference
interchangeable
HIAB9906185Interchangeable
interchangeable cross-reference
interchangeable
A-A-2540Interchangeable
interchangeable cross-reference
interchangeable
58-115Interchangeable
interchangeable cross-reference
interchangeable
26004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ALS4-610-4.2?
ALS4-610-4.2 is a ALS4-610-4.2.
What parts can replace ALS4-610-4.2?
There are 22 known substitutes for ALS4-610-4.2: 4HC47, 1961-B, HIAB9906185 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ALS4-610-4.2?
ALS4-610-4.2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-620-8596. 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