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583K139 ✓ 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: STEEL OVERALL, thickness: 0.078 INCHES NOMINAL IN, hole_diameter: 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, overall_diameter: 0.812 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 5310-00-276-8694, 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
583K139
NSN: 5310-00-276-8694
FSC: 5310
CAGE: 83299 — HYSTER-YALE GROUP, INC. DBA YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.078 INCHES NOMINAL IN
hole_diameter0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
overall_diameter0.812 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-276-8694
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 583K139 · 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: 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.812 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.078 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.812 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.078 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
W816Interchangeable
interchangeable cross-reference
interchangeable
B107.15Interchangeable
interchangeable cross-reference
interchangeable
B107.600Interchangeable
interchangeable cross-reference
interchangeable
217-20Interchangeable
interchangeable cross-reference
interchangeable
P720519-5SUB16Interchangeable
interchangeable cross-reference
interchangeable
W816-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 583K139?
583K139 is a WASHER,FLAT.
What parts can replace 583K139?
There are 20 known substitutes for 583K139: W816, B107.15, B107.600 and 17 more. Substitute compatibility should be verified for your specific system.
Is 583K139 still available?
583K139 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026