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Technical Data Sheet
PartsTable / COMPONENT / 318287PC10
318287PC10 ✓ 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: PLASTIC OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.312 INCHES NOMINAL IN, hardness_rating: 108.0 ROCKWELL M MINIMUM AND 126.0 ROCKWELL M MAXIMUM, overall_diameter: 0.750 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-599-9748, 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
318287PC10
NSN: 5310-00-599-9748
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.312 INCHES NOMINAL IN
hardness_rating108.0 ROCKWELL M MINIMUM AND 126.0 ROCKWELL M MAXIMUM
overall_diameter0.750 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength26100 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-599-9748
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 318287PC10 · 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
•
MINIMUM TENSILE STRENGTH: 26100 POUNDS PER SQUARE INCH LBS
•
HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
HARDNESS RATING: 108.0 ROCKWELL M MINIMUM AND 126.0 ROCKWELL M MAXIMUM
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MINIMUM TENSILE STRENGTH26100 POUNDS PER SQUARE INCH LBS
HOLE DIAMETER0.312 INCHES NOMINAL IN
MATERIALPLASTIC OVERALL
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.062 INCHES NOMINAL IN
HARDNESS RATING108.0 ROCKWELL M MINIMUM AND 126.0 ROCKWELL M MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
S1822Interchangeable
interchangeable cross-reference
interchangeable
4168AInterchangeable
interchangeable cross-reference
interchangeable
DL856355SUB0PT20Interchangeable
interchangeable cross-reference
interchangeable
5871-98Interchangeable
interchangeable cross-reference
interchangeable
318147PC37Interchangeable
Same NIIN cross-reference
interchangeable
7750PT32Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 318287PC10?
318287PC10 is a WASHER,FLAT.
What parts can replace 318287PC10?
There are 8 known substitutes for 318287PC10: S1822, 4168A, DL856355SUB0PT20 and 5 more. Substitute compatibility should be verified for your specific system.
Is 318287PC10 still available?
318287PC10 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