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Technical Data Sheet
PartsTable / COMPONENT / 212-59-6PC7
212-59-6PC7 ✓ 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: COPPER ALLOY OVERALL, thickness: 0.312 INCHES NOMINAL IN, hole_diameter: 0.406 INCHES NOMINAL IN, overall_diameter: 1.062 INCHES NOMINAL IN, special_features: W/27 DEG CHAMFER ON OUTSIDE EDGE, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-386-9560, 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
212-59-6PC7
NSN: 5310-00-386-9560
FSC: 5310
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.312 INCHES NOMINAL IN
hole_diameter0.406 INCHES NOMINAL IN
overall_diameter1.062 INCHES NOMINAL IN
special_featuresW/27 DEG CHAMFER ON OUTSIDE EDGE
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-386-9560
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 212-59-6PC7 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.062 INCHES NOMINAL IN
•
THICKNESS: 0.312 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
MATERIALCOPPER ALLOY OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESW/27 DEG CHAMFER ON OUTSIDE EDGE
OVERALL DIAMETER1.062 INCHES NOMINAL IN
THICKNESS0.312 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
K10Interchangeable
interchangeable cross-reference
interchangeable
417Interchangeable
interchangeable cross-reference
interchangeable
JS4099Interchangeable
interchangeable cross-reference
interchangeable
WW-C-440 TYH SZ2-1/2IN.Interchangeable
interchangeable cross-reference
interchangeable
054-1719Interchangeable
interchangeable cross-reference
interchangeable
541719Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 212-59-6PC7?
212-59-6PC7 is a WASHER,FLAT.
What parts can replace 212-59-6PC7?
There are 20 known substitutes for 212-59-6PC7: K10, 417, JS4099 and 17 more. Substitute compatibility should be verified for your specific system.
Is 212-59-6PC7 still available?
212-59-6PC7 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026