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510391 ✓ 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 BRUSH SET,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, document_type: INDUSTRIAL DRAWING, hole_diameter: 0.145 INCHES NOMINAL IN, overall_height: 0.071 INCHES NOMINAL IN, document_source: 96214, outside_diameter: 0.363 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 5310-00-176-6448, 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
510391
NSN: 5310-00-176-6448
FSC: 5310
CAGE: 32195 — OUTBOARD MARINE CORP JOHNSON MOTORS DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
document_typeINDUSTRIAL DRAWING
hole_diameter0.145 INCHES NOMINAL IN
overall_height0.071 INCHES NOMINAL IN
document_source96214
outside_diameter0.363 INCHES NOMINAL IN
component_quantity2
material_thickness0.018 INCHES NOMINAL IN
document_identification51039
component_document_originINDUSTRIAL
NSN5310-00-176-6448
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 510391 · 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
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.145 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.363 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.018 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
OVERALL HEIGHT0.071 INCHES NOMINAL IN
HOLE DIAMETER0.145 INCHES NOMINAL IN
OUTSIDE DIAMETER0.363 INCHES NOMINAL IN
MATERIAL THICKNESS0.018 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
368-1988Interchangeable
interchangeable cross-reference
interchangeable
368-1988-1Interchangeable
interchangeable cross-reference
interchangeable
51039Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 510391?
510391 is a BRUSH SET,ELECTRICAL CONTACT.
What parts can replace 510391?
There are 3 known substitutes for 510391: 368-1988, 368-1988-1, 51039. Substitute compatibility should be verified for your specific system.
What is the NSN for 510391?
510391 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-176-6448. 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