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PartsTable / COMPONENT / 313-68-4ALT3PC24
313-68-4ALT3PC24 ✓ 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: WOOL OVERALL, thickness: 0.188 INCHES NOMINAL IN, hole_diameter: 2.250 INCHES NOMINAL IN, overall_diameter: 3.000 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-248-0211, 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
313-68-4ALT3PC24
NSN: 5310-00-248-0211
FSC: 5310
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialWOOL OVERALL
thickness0.188 INCHES NOMINAL IN
hole_diameter2.250 INCHES NOMINAL IN
overall_diameter3.000 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-248-0211
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 313-68-4ALT3PC24 · 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
•
OVERALL DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL: WOOL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 2.250 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER3.000 INCHES NOMINAL IN
MATERIALWOOL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER2.250 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
42440Interchangeable
interchangeable cross-reference
interchangeable
2206198G1Interchangeable
interchangeable cross-reference
interchangeable
1033543Interchangeable
interchangeable cross-reference
interchangeable
2440Interchangeable
interchangeable cross-reference
interchangeable
P18-1038Interchangeable
interchangeable cross-reference
interchangeable
CA573Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 313-68-4ALT3PC24?
313-68-4ALT3PC24 is a WASHER,FLAT.
What parts can replace 313-68-4ALT3PC24?
There are 16 known substitutes for 313-68-4ALT3PC24: 42440, 2206198G1, 1033543 and 13 more. Substitute compatibility should be verified for your specific system.
Is 313-68-4ALT3PC24 still available?
313-68-4ALT3PC24 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