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PartsTable / COMPONENT / A11330-8A-3
A11330-8A-3 ✓ 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: FLOATINGFLOATING, temp_rating: 450.0 FAHRENHEIT MAXIMUM450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B3B, overall_width: 0.477 INCHES MAXIMUM0.477 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-143-7511, 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
A11330-8A-3
NSN: 5310-01-143-7511
FSC: 5310
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleFLOATINGFLOATING
temp_rating450.0 FAHRENHEIT MAXIMUM450.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B3B
overall_width0.477 INCHES MAXIMUM0.477 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating46.0 ROCKWELL C MAXIMUM46.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGNPREVAILING TORQUE ALL METAL DESIGN
panel_thickness0.080 INCHES MINIMUM0.080 INCHES MINIMUM IN
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
nominal_thread_size0.190 INCHES0.190 INCHES IN
NSN5310-01-143-7511
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A11330-8A-3 · 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
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGNPREVAILING TORQUE ALL METAL DESIGN
•
TEMP RATING: 450.0 FAHRENHEIT MAXIMUM450.0 FAHRENHEIT MAXIMUM DEGF
•
NOMINAL THREAD SIZE: 0.190 INCHES0.190 INCHES IN
•
THREAD QUANTITY PER INCH: 3232
•
DISTANCE FROM BASE TO CENTER OF APERTURE: 0.500 INCHES MINIMUM AND 0.500 INCHES MINIMUM AND 0.530 INCHES MAXIMUM0.530 INCHES MAXIMUM IN
•
PANEL THICKNESS: 0.080 INCHES MINIMUM0.080 INCHES MINIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGNPREVAILING TORQUE ALL METAL DESIGN
TEMP RATING450.0 FAHRENHEIT MAXIMUM450.0 FAHRENHEIT MAXIMUM DEGF
NOMINAL THREAD SIZE0.190 INCHES0.190 INCHES IN
THREAD QUANTITY PER INCH3232
OVERALL WIDTH0.477 INCHES MAXIMUM0.477 INCHES MAXIMUM IN
DISTANCE FROM BASE TO CENTER OF APERTURE0.500 INCHES MINIMUM AND 0.500 INCHES MINIMUM AND 0.530 INCHES MAXIMUM0.530 INCHES MAXIMUM IN
PANEL THICKNESS0.080 INCHES MINIMUM0.080 INCHES MINIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD CLASS3B3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
13-0064Interchangeable
interchangeable cross-reference
interchangeable
TABB DOUBLE END FLAP KNIFEInterchangeable
interchangeable cross-reference
interchangeable
LO3823Interchangeable
interchangeable cross-reference
interchangeable
130064PSInterchangeable
interchangeable cross-reference
interchangeable
505026Interchangeable
interchangeable cross-reference
interchangeable
130064ZN81Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A11330-8A-3?
A11330-8A-3 is a NUT,CLIP-ON.
What parts can replace A11330-8A-3?
There are 6 known substitutes for A11330-8A-3: 13-0064, TABB DOUBLE END FLAP KNIFE, LO3823 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A11330-8A-3?
A11330-8A-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-143-7511. 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