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Technical Data Sheet
PartsTable / COMPONENT / SK43020-59
SK43020-59 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: VERTEX OUTSIDE PERIPHERY, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 1.406 INCHES NOMINAL IN, major_thickness: 0.088 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-597-4376, 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
SK43020-59
NSN: 5325-00-597-4376
FSC: 5325
CAGE: 08018 — BORG-WARNER CORP (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX OUTSIDE PERIPHERY
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter1.406 INCHES NOMINAL IN
major_thickness0.088 INCHES NOMINAL IN
outside_diameter1.656 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-597-4376
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SK43020-59 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 1.656 INCHES NOMINAL IN
•
END STYLE: VERTEX OUTSIDE PERIPHERY
•
USAGE DESIGN: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL
•
INSIDE DIAMETER: 1.406 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MAJOR THICKNESS: 0.088 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.656 INCHES NOMINAL IN
END STYLEVERTEX OUTSIDE PERIPHERY
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL
INSIDE DIAMETER1.406 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.088 INCHES NOMINAL IN
RING STYLESTRAIGHT GAP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3373404Interchangeable
interchangeable cross-reference
interchangeable
4746Interchangeable
interchangeable cross-reference
interchangeable
923478C1Interchangeable
interchangeable cross-reference
interchangeable
739335C91Interchangeable
interchangeable cross-reference
interchangeable
EMS-4746Interchangeable
interchangeable cross-reference
interchangeable
4A99023-101AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK43020-59?
SK43020-59 is a RING,RETAINING.
What parts can replace SK43020-59?
There are 12 known substitutes for SK43020-59: 3373404, 4746, 923478C1 and 9 more. Substitute compatibility should be verified for your specific system.
Is SK43020-59 still available?
SK43020-59 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