PartsTable
Technical Data Sheet
220066 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 15.00 MILLIMETERS NOMINAL MM, overall_width: 0.6250 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-022-0066, 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
220066
NSN: 5310-00-022-0066
FSC: 5310
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter15.00 MILLIMETERS NOMINAL MM
overall_width0.6250 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter35.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
internal_fit-up_contact_angular_directionPRIMARILY RADIAL
NSN5310-00-022-0066
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 220066 · 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
NOMINAL THREAD SIZE: 0.375 INCHES IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPE: WASHER FACED
THREAD QUANTITY PER INCH: 16
THREAD DIRECTION: RIGHT-HAND
MATERIAL: STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA: A TYPE
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPEWASHER FACED
THREAD QUANTITY PER INCH16
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
THREAD CLASS2B
NUT HEIGHT0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
2908Interchangeable
interchangeable cross-reference
interchangeable
8NBC1218ANG25Interchangeable
interchangeable cross-reference
interchangeable
NAS290-8ANG25Interchangeable
interchangeable cross-reference
interchangeable
AT8Interchangeable
interchangeable cross-reference
interchangeable
53X2908Interchangeable
interchangeable cross-reference
interchangeable
65X2908Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 220066?
220066 is a BEARING,BALL,ANNULAR.
What parts can replace 220066?
There are 30 known substitutes for 220066: 2908, 8NBC1218ANG25, NAS290-8ANG25 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 220066?
220066 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-022-0066. This indicates validated use in U.S. government and defense supply chains.
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