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Technical Data Sheet
PartsTable / COMPONENT / 62-8-52
62-8-52 ✓ 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 GEAR,MAIN SHAFT OVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1035 OVERALL, hole_diameter: 2.791 INCHES MINIMUM AND 2.816 INCHES MAXIMUM IN, outside_diameter: 3.312 INCHES MINIMUM AND 3.342 INCHES MAXIMUM IN, style_designator: KEY, surface_treatment: CADMIUM OR ZINC OVERALL, material_thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-226-5980, 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
62-8-52
NSN: 5310-00-226-5980
FSC: 5310
CAGE: 51228 — ECOLAIRE INC BALDWIN-HAMILTON CO DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1035 OVERALL
hole_diameter2.791 INCHES MINIMUM AND 2.816 INCHES MAXIMUM IN
outside_diameter3.312 INCHES MINIMUM AND 3.342 INCHES MAXIMUM IN
style_designatorKEY
surface_treatmentCADMIUM OR ZINC OVERALL
material_thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
external_key_quantity19
external_prebent_key_width0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
internal_prebent_key_width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
internal_prebent_key_length0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
overall_distance_including_keys3.828 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-226-5980
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 62-8-52 · 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
•
EXTERNAL PREBENT KEY WIDTH: 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TYPE 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TYPE 2 CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.312 INCHES MINIMUM AND 3.342 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 19
•
OVERALL DISTANCE INCLUDING KEYS: 3.828 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
STYLE DESIGNATOR: KEY
•
MATERIAL THICKNESS: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNAL PREBENT KEY WIDTH0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TYPE 2 CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
OUTSIDE DIAMETER3.312 INCHES MINIMUM AND 3.342 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY19
OVERALL DISTANCE INCLUDING KEYS3.828 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORKEY
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
HOLE DIAMETER2.791 INCHES MINIMUM AND 2.816 INCHES MAXIMUM IN
INTERNAL PREBENT KEY LENGTH0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
W14Interchangeable
interchangeable cross-reference
interchangeable
MILB385Interchangeable
interchangeable cross-reference
interchangeable
62-8-52Interchangeable
interchangeable cross-reference
interchangeable
347683C1Interchangeable
interchangeable cross-reference
interchangeable
9B143Interchangeable
interchangeable cross-reference
interchangeable
12640847Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 62-8-52?
62-8-52 is a GEAR,MAIN SHAFT OVE.
What parts can replace 62-8-52?
There are 23 known substitutes for 62-8-52: W14, MILB385, 62-8-52 and 20 more. Substitute compatibility should be verified for your specific system.
Is 62-8-52 still available?
62-8-52 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026