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PartsTable / COMPONENT / 124-4322648 PC 19
124-4322648 PC 19 ✓ 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: 0.250 INCHES NOMINAL IN, hole_diameter: 1.812 INCHES NOMINAL IN, overall_diameter: 2.750 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_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 5310-01-469-9193, 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
124-4322648 PC 19
NSN: 5310-01-469-9193
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.250 INCHES NOMINAL IN
hole_diameter1.812 INCHES NOMINAL IN
overall_diameter2.750 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationSCUTTLE:WSD;NIMITZ CLASS CVN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-469-9193
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-4322648 PC 19 · 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: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.250 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.812 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 2.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
END ITEM IDENTIFICATIONSCUTTLE:WSD;NIMITZ CLASS CVN
THICKNESS0.250 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER1.812 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER2.750 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
5200227Interchangeable
interchangeable cross-reference
interchangeable
124-5200177 PC 43Interchangeable
interchangeable cross-reference
interchangeable
124-5200227 PC 19Interchangeable
interchangeable cross-reference
interchangeable
124-5200227 PC 20Interchangeable
interchangeable cross-reference
interchangeable
124-5200227 PC 25Interchangeable
interchangeable cross-reference
interchangeable
124-5200227 PC 29Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-4322648 PC 19?
124-4322648 PC 19 is a WASHER,FLAT.
What parts can replace 124-4322648 PC 19?
There are 22 known substitutes for 124-4322648 PC 19: 5200227, 124-5200177 PC 43, 124-5200227 PC 19 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-4322648 PC 19?
124-4322648 PC 19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-469-9193. 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