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PartsTable / COMPONENT / 124-4399311 PC32
124-4399311 PC32 ✓ 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: 2.3125 INCHES NOMINAL IN, overall_diameter: 3.625 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 5310-01-474-2222, 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
124-4399311 PC32
NSN: 5310-01-474-2222
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter2.3125 INCHES NOMINAL IN
overall_diameter3.625 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-474-2222
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-4399311 PC32 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 2.3125 INCHES NOMINAL IN
•
OVERALL DIAMETER: 3.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER2.3125 INCHES NOMINAL IN
OVERALL DIAMETER3.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
4322650Interchangeable
interchangeable cross-reference
interchangeable
124-4322650 PC 72Interchangeable
interchangeable cross-reference
interchangeable
124-7121006 PC70Interchangeable
interchangeable cross-reference
interchangeable
88-22790Interchangeable
interchangeable cross-reference
interchangeable
124-7121006 PC 13Interchangeable
interchangeable cross-reference
interchangeable
124-4322650 PC 35Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-4399311 PC32?
124-4399311 PC32 is a WASHER,FLAT.
What parts can replace 124-4399311 PC32?
There are 23 known substitutes for 124-4399311 PC32: 4322650, 124-4322650 PC 72, 124-7121006 PC70 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-4399311 PC32?
124-4399311 PC32 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-474-2222. 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