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PartsTable / COMPONENT / 144831C
144831C ✓ 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: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, overall_diameter: 0.750 INCHES NOMINAL IN, peripheral_shape_style: ROUND, supplementary_features: 30AUG00 ITEM REVIEWED UNDER GIRDER PROJECT. ZA NON-CONCUR CANCELLATION ACTION.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-033-7355, 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
144831C
NSN: 5310-00-033-7355
FSC: 5310
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialWOOL OVERALL
thickness0.188 INCHES NOMINAL IN
hole_diameter0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
overall_diameter0.750 INCHES NOMINAL IN
peripheral_shape_styleROUND
supplementary_features30AUG00 ITEM REVIEWED UNDER GIRDER PROJECT. ZA NON-CONCUR CANCELLATION ACTION
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-033-7355
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 144831C · 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: WOOL OVERALL
•
SUPPLEMENTARY FEATURES: 30AUG00 ITEM REVIEWED UNDER GIRDER PROJECT. ZA NON-CONCUR CANCELLATION ACTION
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.188 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALWOOL OVERALL
SUPPLEMENTARY FEATURES30AUG00 ITEM REVIEWED UNDER GIRDER PROJECT. ZA NON-CONCUR CANCELLATION ACTION
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.188 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
144831Interchangeable
interchangeable cross-reference
interchangeable
CA3-72-120-NOInterchangeable
interchangeable cross-reference
interchangeable
CA1U-40-120ACInterchangeable
interchangeable cross-reference
interchangeable
144387Interchangeable
interchangeable cross-reference
interchangeable
140000 ITEM 33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 144831C?
144831C is a WASHER,FLAT.
What parts can replace 144831C?
There are 5 known substitutes for 144831C: 144831, CA3-72-120-NO, CA1U-40-120AC and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 144831C?
144831C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-033-7355. 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