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Technical Data Sheet
PartsTable / COMPONENT / 8576-21
8576-21 ✓ 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 PLATE,IDENTIFICATION is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.391 INCHES NOMINAL IN, overall_diameter: 0.562 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 5310-00-264-1939, 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
8576-21
NSN: 5310-00-264-1939
FSC: 5310
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.391 INCHES NOMINAL IN
overall_diameter0.562 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-264-1939
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8576-21 · 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
•
MATERIAL: COPPER OVERALL
•
OVERALL DIAMETER: 0.562 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.391 INCHES NOMINAL IN
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER OVERALL
OVERALL DIAMETER0.562 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.391 INCHES NOMINAL IN
THICKNESS0.062 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
3208XIAInterchangeable
interchangeable cross-reference
interchangeable
903208Interchangeable
interchangeable cross-reference
interchangeable
30D86Interchangeable
interchangeable cross-reference
interchangeable
3HB913Interchangeable
interchangeable cross-reference
interchangeable
5152148Interchangeable
interchangeable cross-reference
interchangeable
340B123Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8576-21?
8576-21 is a PLATE,IDENTIFICATION.
What parts can replace 8576-21?
There are 30 known substitutes for 8576-21: 3208XIA, 903208, 30D86 and 27 more. Substitute compatibility should be verified for your specific system.
Is 8576-21 still available?
8576-21 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