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5308478 ✓ 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 WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.719 INCHES NOMINAL IN, outside_diameter: 1.062 INCHES NOMINAL IN, material_thickness: 0.089 INCHES NOMINAL IN, external_straight_key_width: 0.500 INCHES NOMINAL IN, external_straight_key_length: 0.656 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 5310-00-530-8478, 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
5308478
NSN: 5310-00-530-8478
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.719 INCHES NOMINAL IN
outside_diameter1.062 INCHES NOMINAL IN
material_thickness0.089 INCHES NOMINAL IN
external_straight_key_width0.500 INCHES NOMINAL IN
external_straight_key_length0.656 INCHES NOMINAL IN
overall_distance_including_keys2.375 INCHES NOMINAL IN
NSN5310-00-530-8478
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5308478 · 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
•
HOLE DIAMETER: 0.719 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
EXTERNAL STRAIGHT KEY WIDTH: 0.500 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.062 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY LENGTH: 0.656 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.089 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 2.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.719 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
EXTERNAL STRAIGHT KEY WIDTH0.500 INCHES NOMINAL IN
OUTSIDE DIAMETER1.062 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY LENGTH0.656 INCHES NOMINAL IN
MATERIAL THICKNESS0.089 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS2.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
601353Interchangeable
interchangeable cross-reference
interchangeable
5210Interchangeable
interchangeable cross-reference
interchangeable
905210Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5308478?
5308478 is a WASHER,KEY.
What parts can replace 5308478?
There are 3 known substitutes for 5308478: 601353, 5210, 905210. Substitute compatibility should be verified for your specific system.
What is the NSN for 5308478?
5308478 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-530-8478. 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