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A2052747 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, thickness: 0.093 INCHES NOMINAL IN, hole_diameter: 0.390 INCHES NOMINAL IN, overall_diameter: 0.531 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-785-1036, 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
A2052747
NSN: 5310-00-785-1036
FSC: 5310
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
thickness0.093 INCHES NOMINAL IN
hole_diameter0.390 INCHES NOMINAL IN
overall_diameter0.531 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-785-1036
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A2052747 · 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
•
THICKNESS: 0.093 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.390 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 0.531 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.093 INCHES NOMINAL IN
HOLE DIAMETER0.390 INCHES NOMINAL IN
MATERIALPLASTIC OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.531 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
L226Interchangeable
interchangeable cross-reference
interchangeable
EE3Interchangeable
interchangeable cross-reference
interchangeable
647747Interchangeable
interchangeable cross-reference
interchangeable
99121Interchangeable
interchangeable cross-reference
interchangeable
2052747Interchangeable
Same NIIN cross-reference
interchangeable
2052747-10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2052747?
A2052747 is a WASHER,FLAT.
What parts can replace A2052747?
There are 6 known substitutes for A2052747: L226, EE3, 647747 and 3 more. Substitute compatibility should be verified for your specific system.
Is A2052747 still available?
A2052747 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