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PartsTable / COMPONENT / 143526
143526 ✓ 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: CHAMFERED, pin_overall_length: 2.240 INCHES NOMINAL IN, pin_overall_diameter: 0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN, first_end_taper_angle: 15.0 DEGREES NOMINAL, first_end_taper_length: 0.014 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 5310-00-701-4891, 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
143526
NSN: 5310-00-701-4891
FSC: 5310
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCHAMFERED
pin_overall_length2.240 INCHES NOMINAL IN
pin_overall_diameter0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
first_end_taper_angle15.0 DEGREES NOMINAL
first_end_taper_length0.014 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5310-00-701-4891
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 143526 · 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: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1020 OVERALL
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 2.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THICKNESS0.062 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER2.250 INCHES NOMINAL IN
HOLE DIAMETER1.531 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
10087517Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636Interchangeable
interchangeable cross-reference
interchangeable
31-084Interchangeable
interchangeable cross-reference
interchangeable
302-1020P1Interchangeable
interchangeable cross-reference
interchangeable
793Interchangeable
interchangeable cross-reference
interchangeable
34159A9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 143526?
143526 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 143526?
There are 24 known substitutes for 143526: 10087517, GGG-W-636, 31-084 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 143526?
143526 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-701-4891. 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