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PartsTable / COMPONENT / 0EYF
0EYF ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.200 INCHES NOMINAL IN, outside_diameter: 0.400 INCHES NOMINAL IN, special_features: MATERIAL: STEEL ZC;WASHER NUMBER 10 EXT STAR, style_designator: FLAT EXTERNAL TEETH, material_thickness: 0.020 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-652-3952, 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
0EYF
NSN: 5310-01-652-3952
FSC: 5310
CAGE: 0KMA3 — ADAMS NUT AND BOLT CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.200 INCHES NOMINAL IN
outside_diameter0.400 INCHES NOMINAL IN
special_featuresMATERIAL: STEEL ZC;WASHER NUMBER 10 EXT STAR
style_designatorFLAT EXTERNAL TEETH
material_thickness0.020 INCHES NOMINAL IN
end_item_identification6115-01-591-1161;GENERATOR,HEATING AND AIR CONDITIONER
external_keyway_quantity10
part_name_assigned_by_controlling_agencyWASHER,EXT STAR
NSN5310-01-652-3952
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0EYF · 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
•
HOLE DIAMETER: 0.200 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.400 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
EXTERNAL KEYWAY QUANTITY: 10
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.200 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,EXT STAR
END ITEM IDENTIFICATION6115-01-591-1161;GENERATOR,HEATING AND AIR CONDITIONER
SPECIAL FEATURESMATERIAL: STEEL ZC;WASHER NUMBER 10 EXT STAR
OUTSIDE DIAMETER0.400 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
EXTERNAL KEYWAY QUANTITY10
STYLE DESIGNATORFLAT EXTERNAL TEETH
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
62020Interchangeable
interchangeable cross-reference
interchangeable
7840SInterchangeable
interchangeable cross-reference
interchangeable
305268Interchangeable
interchangeable cross-reference
interchangeable
302014Interchangeable
interchangeable cross-reference
interchangeable
4000510-104Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0EYF?
0EYF is a WASHER,LOCK.
What parts can replace 0EYF?
There are 5 known substitutes for 0EYF: 62020, 7840S, 305268 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0EYF?
0EYF is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-652-3952. 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