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PartsTable / COMPONENT / 40254-1PC58
40254-1PC58 ✓ 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 PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: SQUARE, pin_overall_length: 2.438 INCHES NOMINAL IN, pin_overall_diameter: 0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN, second_end_relationship_with_first_end: IDENTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-189-7764, 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
40254-1PC58
NSN: 5315-00-189-7764
FSC: 5315
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleSQUARE
pin_overall_length2.438 INCHES NOMINAL IN
pin_overall_diameter0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-189-7764
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 40254-1PC58 · 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: STEEL OVERALL
•
PIN OVERALL LENGTH: 2.438 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
PIN OVERALL DIAMETER: 0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
PIN OVERALL LENGTH2.438 INCHES NOMINAL IN
FIRST END STYLESQUARE
PIN OVERALL DIAMETER0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
666-243-079REVBInterchangeable
interchangeable cross-reference
interchangeable
666243-079Interchangeable
interchangeable cross-reference
interchangeable
7-12-1Interchangeable
interchangeable cross-reference
interchangeable
1C323Interchangeable
interchangeable cross-reference
interchangeable
67D11REVAInterchangeable
interchangeable cross-reference
interchangeable
1C276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40254-1PC58?
40254-1PC58 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 40254-1PC58?
There are 26 known substitutes for 40254-1PC58: 666-243-079REVB, 666243-079, 7-12-1 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40254-1PC58?
40254-1PC58 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-189-7764. 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