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PartsTable / COMPONENT / C3457-7PC140
C3457-7PC140 ✓ 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 COMP B1112 OVERALL, first_end_style: CHAMFERED, pin_overall_length: 1.750 INCHES NOMINAL IN, pin_overall_diameter: 0.2500 INCHES NOMINAL IN, first_end_taper_angle: 25.0 DEGREES NOMINAL, first_end_taper_length: 0.031 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 5315-00-224-2140, 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
C3457-7PC140
NSN: 5315-00-224-2140
FSC: 5315
CAGE: 37999 — EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL COMP B1112 OVERALL
first_end_styleCHAMFERED
pin_overall_length1.750 INCHES NOMINAL IN
pin_overall_diameter0.2500 INCHES NOMINAL IN
first_end_taper_angle25.0 DEGREES NOMINAL
first_end_taper_length0.031 INCHES NOMINAL IN
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-224-2140
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C3457-7PC140 · 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 DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL LENGTH: 1.750 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL COMP B1112 OVERALL
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.2500 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL LENGTH1.750 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL COMP B1112 OVERALL
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.2500 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
R7Interchangeable
interchangeable cross-reference
interchangeable
37Interchangeable
interchangeable cross-reference
interchangeable
R7YInterchangeable
interchangeable cross-reference
interchangeable
70668Interchangeable
interchangeable cross-reference
interchangeable
IS260Interchangeable
interchangeable cross-reference
interchangeable
H65789Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C3457-7PC140?
C3457-7PC140 is a PIN,STRAIGHT,HEADLESS.
What parts can replace C3457-7PC140?
There are 18 known substitutes for C3457-7PC140: R7, 37, R7Y and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C3457-7PC140?
C3457-7PC140 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-224-2140. 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