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PartsTable / COMPONENT / 124-4322618 PC 29
124-4322618 PC 29 ✓ 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: COPPER ALLOY OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 2.2812 INCHES NOMINAL IN, overall_diameter: 3.000 INCHES NOMINAL IN, surface_treatment: CADMIUM OR ZINC OVERALL, peripheral_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 5310-01-472-9399, 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
124-4322618 PC 29
NSN: 5310-01-472-9399
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter2.2812 INCHES NOMINAL IN
overall_diameter3.000 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TYPE I,CLASS C FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE II,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NSN5310-01-472-9399
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-4322618 PC 29 · 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: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 2.2812 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE I,CLASS C FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE II,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER2.2812 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE I,CLASS C FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE II,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
THICKNESS0.125 INCHES NOMINAL IN
OVERALL DIAMETER3.000 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4322618Interchangeable
interchangeable cross-reference
interchangeable
124-4322618 PC 14Interchangeable
interchangeable cross-reference
interchangeable
124-4322618 PC 2BInterchangeable
interchangeable cross-reference
interchangeable
124-4322618 PC 2Interchangeable
interchangeable cross-reference
interchangeable
124-4322618 PC3Interchangeable
interchangeable cross-reference
interchangeable
124-4322618 PC 3BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-4322618 PC 29?
124-4322618 PC 29 is a WASHER,FLAT.
What parts can replace 124-4322618 PC 29?
There are 10 known substitutes for 124-4322618 PC 29: 4322618, 124-4322618 PC 14, 124-4322618 PC 2B and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-4322618 PC 29?
124-4322618 PC 29 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-472-9399. 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