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52258 ✓ Verified by PartsTable
Bestway · 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL OVERALL, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL, shank_style: FLAT ROUND, flute_length: 3.000 INCHES NOMINAL IN, overall_length: 6.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-392-7757, 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
52258
NSN: 5315-00-392-7757
FSC: 5315
CAGE: 82423 — KLEINSCHMIDT INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleFLAT ROUND
flute_length3.000 INCHES NOMINAL IN
flute_quantity2
overall_length6.000 INCHES NOMINAL IN
shank_diameter0.500 INCHES NOMINAL IN
special_featuresREDUCED 1/2 IN. DIA SHANK; FRACTIONAL SIZE 5/8 IN
cutting_end_styleGENERAL PURPOSE
nominal_cutting_diameter0.6250 INCHES IN
cutting_rotation_directionRIGHT-HAND
NSN5315-00-392-7757
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 52258 · Bestway ⚠ 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
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
SECOND UNDERCUT WIDTH: 0.047 INCHES NOMINAL IN
•
EFFECTIVE LENGTH: 2.109 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SECOND UNDERCUT WIDTH0.047 INCHES NOMINAL IN
EFFECTIVE LENGTH2.109 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
OVERALL LENGTH2.328 INCHES NOMINAL IN
UNDERCUT DIAMETER0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.015 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
CSE405AInterchangeable
interchangeable cross-reference
interchangeable
55440Interchangeable
interchangeable cross-reference
interchangeable
1424 5/8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52258?
52258 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E manufactured by Bestway.
What parts can replace 52258?
There are 3 known substitutes for 52258: CSE405A, 55440, 1424 5/8. Substitute compatibility should be verified for your specific system.
What is the NSN for 52258?
52258 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-392-7757. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026