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PartsTable / COMPONENT / 1A4599
1A4599 ✓ 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 1115 OVERALL, first_end_style: CHAMFERED, pin_overall_length: 3.031 INCHES NOMINAL IN, pin_overall_diameter: 0.3120 INCHES NOMINAL IN, first_end_taper_angle: 25.0 DEGREES NOMINAL, first_end_taper_length: 0.062 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 5315-00-245-6611, 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
1A4599
NSN: 5315-00-245-6611
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 1115 OVERALL
first_end_styleCHAMFERED
pin_overall_length3.031 INCHES NOMINAL IN
pin_overall_diameter0.3120 INCHES NOMINAL IN
first_end_taper_angle25.0 DEGREES NOMINAL
first_end_taper_length0.062 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-245-6611
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1A4599 · 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
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
•
MATERIAL: STEEL COMP 1115 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.3120 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER LENGTH: 0.062 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 3.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
MATERIALSTEEL COMP 1115 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.3120 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLECHAMFERED
FIRST END TAPER LENGTH0.062 INCHES NOMINAL IN
PIN OVERALL LENGTH3.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
945Interchangeable
interchangeable cross-reference
interchangeable
6204ZZInterchangeable
interchangeable cross-reference
interchangeable
CR2943NA102AInterchangeable
interchangeable cross-reference
interchangeable
98000111-4Interchangeable
interchangeable cross-reference
interchangeable
690982Interchangeable
interchangeable cross-reference
interchangeable
SH0268Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A4599?
1A4599 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 1A4599?
There are 13 known substitutes for 1A4599: 945, 6204ZZ, CR2943NA102A and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A4599?
1A4599 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-245-6611. 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