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Technical Data Sheet
PartsTable / COMPONENT / 66220
66220 ✓ Verified by PartsTable
Hama · 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 LEAD,IGNITION,ENGINE is a Hama industrial component. Key specifications include material: STEEL,HIGH SPEED OVERALL, thickness: 0.500 INCHES NOMINAL IN, outside_diameter: 1.500 INCHES NOMINAL IN, special_features: M12 X 1.5 HS 1 1/2 OD DIE, style_designator: ROUND SPLIT W/INTERNAL ADJUSTING SCREW, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-565-3933, 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
66220
NSN: 5310-00-565-3933
FSC: 5310
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL,HIGH SPEED OVERALL
thickness0.500 INCHES NOMINAL IN
outside_diameter1.500 INCHES NOMINAL IN
special_featuresM12 X 1.5 HS 1 1/2 OD DIE
style_designatorROUND SPLIT W/INTERNAL ADJUSTING SCREW
thread_directionRIGHT-HAND
end_item_identification4940-01-601-1928
thread_pitch_in_millimeters1.50
thread_size_and_series/type_designator12.0 ISO M
NSN5310-00-565-3933
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 66220 · Hama ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
66430Interchangeable
interchangeable cross-reference
interchangeable
66220Interchangeable
interchangeable cross-reference
interchangeable
3034T20P01Interchangeable
interchangeable cross-reference
interchangeable
66220-2Interchangeable
interchangeable cross-reference
interchangeable
SAWCVCInterchangeable
interchangeable cross-reference
interchangeable
662/20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66220?
66220 is a LEAD,IGNITION,ENGINE manufactured by Hama.
What parts can replace 66220?
There are 10 known substitutes for 66220: 66430, 66220, 3034T20P01 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66220?
66220 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-565-3933. 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