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PartsTable / COMPONENT / P6665-475-2311 PC 4
P6665-475-2311 PC 4 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 1.125 INCHES NOMINAL IN, overall_diameter: 1.500 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-753-2076, 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
P6665-475-2311 PC 4
NSN: 5310-00-753-2076
FSC: 5310
CAGE: 94259 — FLUOR MARINE PROPULSION, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter1.125 INCHES NOMINAL IN
overall_diameter1.500 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-753-2076
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: P6665-475-2311 PC 4 · 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: RUBBER SYNTHETIC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
HOLE DIAMETER: 1.125 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.062 INCHES NOMINAL IN
HOLE DIAMETER1.125 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
FFS85TYPE2STYLE10PGRADE5Interchangeable
interchangeable cross-reference
interchangeable
802291Interchangeable
interchangeable cross-reference
interchangeable
179843Interchangeable
interchangeable cross-reference
interchangeable
03234Interchangeable
interchangeable cross-reference
interchangeable
Y916Interchangeable
interchangeable cross-reference
interchangeable
16DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P6665-475-2311 PC 4?
P6665-475-2311 PC 4 is a WASHER,FLAT.
What parts can replace P6665-475-2311 PC 4?
There are 6 known substitutes for P6665-475-2311 PC 4: FFS85TYPE2STYLE10PGRADE5, 802291, 179843 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P6665-475-2311 PC 4?
P6665-475-2311 PC 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-753-2076. 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