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Technical Data Sheet
PartsTable / COMPONENT / 8-52-222
8-52-222 ✓ 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,PLAIN,WING is a the manufacturer industrial component. Key specifications include nut_style: WING, thread_class: 2B, body_diameter: 0.218 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.343 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN, special_features: PROVIDE EXCELLENT CORROSION RESISTANCE AND MAY BE MILDLY MAGNETIC; GOOD FOR MAKING ADJUSTMENTS IN THE FIELD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-283-8481, 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
8-52-222
NSN: 5310-01-283-8481
FSC: 5310
CAGE: 9U023 — ITW HEARTLAND COMPONENTS INC (USA)
SPECIFICATIONS
nut_styleWING
thread_class2B
body_diameter0.218 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.343 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
special_featuresPROVIDE EXCELLENT CORROSION RESISTANCE AND MAY BE MILDLY MAGNETIC; GOOD FOR MAKING ADJUSTMENTS IN THE FIELD
thread_directionRIGHT-HAND
wing_spread_width0.781 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch24
NSN5310-01-283-8481
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8-52-222 · 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 QUANTITY PER INCH: 24
•
NUT STYLE: WING
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BODY DIAMETER: 0.218 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
WING SPREAD WIDTH: 0.781 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
OVERALL HEIGHT0.343 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
NUT STYLEWING
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BODY DIAMETER0.218 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
WING SPREAD WIDTH0.781 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
SPECIAL FEATURESPROVIDE EXCELLENT CORROSION RESISTANCE AND MAY BE MILDLY MAGNETIC; GOOD FOR MAKING ADJUSTMENTS IN THE FIELD
THREAD CLASS2B
MATERIALSTEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303PB OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 304H OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
179358Interchangeable
interchangeable cross-reference
interchangeable
82222Interchangeable
interchangeable cross-reference
interchangeable
33544Interchangeable
interchangeable cross-reference
interchangeable
13T461-2Interchangeable
interchangeable cross-reference
interchangeable
4-0252Interchangeable
interchangeable cross-reference
interchangeable
5136878Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8-52-222?
8-52-222 is a NUT,PLAIN,WING.
What parts can replace 8-52-222?
There are 8 known substitutes for 8-52-222: 179358, 82222, 33544 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8-52-222?
8-52-222 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-283-8481. 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