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124-5563778 PC 16 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

124-5563778 PC 16: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 865 OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 1.781 INCHES NOMINAL IN, overall_diameter: 2.750 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-472-4585, 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
124-5563778 PC 16
NSN: 5310-01-472-4585
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 865 OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter1.781 INCHES NOMINAL IN
overall_diameter2.750 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationHATCH
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-C-390 ALLOY 865 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-472-4585
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-5563778 PC 16 · 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
•
OVERALL DIAMETER: 2.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 ALLOY 865 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY 865 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.781 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 ALLOY 865 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONHATCH
MATERIALCOPPER ALLOY 865 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.781 INCHES NOMINAL IN
THICKNESS0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
5563778Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
124-5563779 PC 68Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5563779Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2-3/4 OD X 1-25/32 ID X 1/8 THKSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 124-5563778 PC 16?
124-5563778 PC 16 is a WASHER,FLAT.
What parts can replace 124-5563778 PC 16?
There are 4 known substitutes for 124-5563778 PC 16: 5563778, 124-5563779 PC 68, 5563779 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-5563778 PC 16?
124-5563778 PC 16 is cataloged in the U.S. Government catalog under NSN 5310-01-472-4585. This indicates validated use in U.S. government and defense supply chains.
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