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3B4605 ✓ 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,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, material: STEEL OVERALL, point_type: EXTENDED PRONG SQUARE CUT, style_designator: STANDARD, underloop_length: 0.688 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3362, 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
3B4605
NSN: 5315-00-010-3362
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
diameter0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
materialSTEEL OVERALL
point_typeEXTENDED PRONG SQUARE CUT
style_designatorSTANDARD
underloop_length0.688 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_document_and_classificationASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-010-3362
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3B4605 · 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
•
STYLE DESIGNATOR: STANDARD
•
MATERIAL: STEEL OVERALL
•
DIAMETER: 0.062 INCHES NOMINAL IN
•
POINT TYPE: STANDARD
•
NONDEFINITIVE SPEC/STD DATA: B TYPE AND 4 CLASS
•
UNDERLOOP LENGTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTANDARD
MATERIALSTEEL OVERALL
DIAMETER0.062 INCHES NOMINAL IN
POINT TYPESTANDARD
NONDEFINITIVE SPEC/STD DATAB TYPE AND 4 CLASS
UNDERLOOP LENGTH0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
A1783PC41Interchangeable
interchangeable cross-reference
interchangeable
4351Interchangeable
interchangeable cross-reference
interchangeable
1227CInterchangeable
interchangeable cross-reference
interchangeable
1921-5621710Interchangeable
interchangeable cross-reference
interchangeable
103362Interchangeable
interchangeable cross-reference
interchangeable
6X5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3B4605?
3B4605 is a PIN,COTTER.
What parts can replace 3B4605?
There are 25 known substitutes for 3B4605: A1783PC41, 4351, 1227C and 22 more. Substitute compatibility should be verified for your specific system.
Is 3B4605 still available?
3B4605 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026