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PartsTable / COMPONENT / 868287
868287 ✓ 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 SEALING ELEMENT, case_style: SHOULDERED, seal_width: 0.687 INCHES NOMINAL IN, surface_treatment: CADMIUM CASE, housing_bore_diameter: 2.996 INCHES NOMINAL IN, sealing_element_style: VERTICAL-ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-233-5870, 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
868287
NSN: 5310-00-233-5870
FSC: 5310
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialRUBBER SEALING ELEMENT
case_styleSHOULDERED
seal_width0.687 INCHES NOMINAL IN
surface_treatmentCADMIUM CASE
housing_bore_diameter2.996 INCHES NOMINAL IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter2.125 INCHES NOMINAL IN
NSN5310-00-233-5870
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 868287 · 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 DOCUMENT AND CLASSIFICATION: C-F-206,TY 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 3.062 INCHES NOMINAL IN
•
MATERIAL: WOOL COMP 9R1 OVERALL
•
THICKNESS: 0.500 INCHES NOMINAL IN
•
HOLE DIAMETER: 2.062 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 225 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206,TY 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER3.062 INCHES NOMINAL IN
MATERIALWOOL COMP 9R1 OVERALL
THICKNESS0.500 INCHES NOMINAL IN
HOLE DIAMETER2.062 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH225 POUNDS PER SQUARE INCH LBS
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
V1NC2019Interchangeable
interchangeable cross-reference
interchangeable
P12739Interchangeable
interchangeable cross-reference
interchangeable
42259Interchangeable
interchangeable cross-reference
interchangeable
453LXInterchangeable
interchangeable cross-reference
interchangeable
10388Interchangeable
interchangeable cross-reference
interchangeable
52345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 868287?
868287 is a WASHER,FLAT.
What parts can replace 868287?
There are 19 known substitutes for 868287: V1NC2019, P12739, 42259 and 16 more. Substitute compatibility should be verified for your specific system.
Is 868287 still available?
868287 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026