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Technical Data Sheet
PartsTable / COMPONENT / 1073308
1073308 ✓ 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 MIRROR ASSEMBLY,REARVIEW is a the manufacturer industrial component. Key specifications include mirror_shape: CIRCULAR, frame_diameter: 8.000 INCHES NOMINAL IN, end_item_identification: WARD SCHOOL BUS ALL CONVENTIONAL MODELS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-103-6617, 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
1073308
NSN: 5315-01-103-6617
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
mirror_shapeCIRCULAR
frame_diameter8.000 INCHES NOMINAL IN
end_item_identificationWARD SCHOOL BUS ALL CONVENTIONAL MODELS
NSN5315-01-103-6617
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1073308 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
7073Interchangeable
interchangeable cross-reference
interchangeable
0092905200Interchangeable
interchangeable cross-reference
interchangeable
63078-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1073308?
1073308 is a MIRROR ASSEMBLY,REARVIEW.
What parts can replace 1073308?
There are 3 known substitutes for 1073308: 7073, 0092905200, 63078-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 1073308?
1073308 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-103-6617. 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