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PartsTable / COMPONENT / 124-4366739 PC 77
124-4366739 PC 77 ✓ 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: STEEL OVERALL, thickness: 0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, hole_diameter: 1.062 INCHES NOMINAL IN, overall_diameter: 2.500 INCHES NOMINAL IN, surface_treatment: 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 5310-01-469-9213, 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
124-4366739 PC 77
NSN: 5310-01-469-9213
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
hole_diameter1.062 INCHES NOMINAL IN
overall_diameter2.500 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationSCUTTLE,BALLI:WSD;NIMITZ CLASS CVN
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationQQ-Z-325,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-469-9213
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-4366739 PC 77 · 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
•
HOLE DIAMETER: 1.062 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THICKNESS: 0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
SURFACE TREATMENT: ZINC OVERALL
•
OVERALL DIAMETER: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER1.062 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THICKNESS0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONSCUTTLE,BALLI:WSD;NIMITZ CLASS CVN
SURFACE TREATMENTZINC OVERALL
OVERALL DIAMETER2.500 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
4399311Interchangeable
interchangeable cross-reference
interchangeable
124-4399311 PC 29 X 30Interchangeable
interchangeable cross-reference
interchangeable
124-4322648 PC 23Interchangeable
interchangeable cross-reference
interchangeable
124-4399311 PC 15Interchangeable
interchangeable cross-reference
interchangeable
4322648Interchangeable
interchangeable cross-reference
interchangeable
124-4399311 PCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-4366739 PC 77?
124-4366739 PC 77 is a WASHER,FLAT.
What parts can replace 124-4366739 PC 77?
There are 13 known substitutes for 124-4366739 PC 77: 4399311, 124-4399311 PC 29 X 30, 124-4322648 PC 23 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-4366739 PC 77?
124-4366739 PC 77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-469-9213. 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