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K3289 ✓ 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 WHEEL,CASTER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, hole_diameter: 1.344 INCHES NOMINAL IN, outside_diameter: 2.875 INCHES NOMINAL IN, end_item_identification: B4 TYPE MAINTENANCE PLATFORM, material_document_and_classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL, part_name_assigned_by_controlling_agency: KIT,CASTER REPLACEMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-371-6438, 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
K3289
NSN: 5310-00-371-6438
FSC: 5310
CAGE: 30798 — AMCA INTL CORP INSLEY MFG CORP DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
hole_diameter1.344 INCHES NOMINAL IN
outside_diameter2.875 INCHES NOMINAL IN
special_featuresKIT CONSISTS OF:BOLT,HEX HEAD GRADE 5 3/8-16 X 1-1/2 INCH LONG;STOPNUT 3/8-16 ELASTIC;FLATWASHER 3/8 NARROW;CASTER,SWIVEL;LOCK,DEMOUNTABLE SWIVEL IN
end_item_identificationB4 TYPE MAINTENANCE PLATFORM
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyKIT,CASTER REPLACEMENT
NSN5310-00-371-6438
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K3289 · 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
•
OUTSIDE DIAMETER: 2.875 INCHES NOMINAL IN
•
HOLE DIAMETER: 1.344 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1020 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.875 INCHES NOMINAL IN
HOLE DIAMETER1.344 INCHES NOMINAL IN
MATERIALSTEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
PD195Interchangeable
interchangeable cross-reference
interchangeable
PT521Interchangeable
interchangeable cross-reference
interchangeable
PB195Interchangeable
interchangeable cross-reference
interchangeable
207-232Interchangeable
interchangeable cross-reference
interchangeable
3N45Interchangeable
interchangeable cross-reference
interchangeable
ST105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K3289?
K3289 is a WHEEL,CASTER.
What parts can replace K3289?
There are 10 known substitutes for K3289: PD195, PT521, PB195 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K3289?
K3289 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-371-6438. 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.
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Last verified: July 2026