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124-5563775 PC 17 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

124-5563775 PC 17: 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: 1.625 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES ALL SURFACES, overall_diameter: 2.281 INCHES NOMINAL IN, special_features: WASHER CHAMFERED TOP AND BOTTOM AROUND COMPLETE DIA. 0.031 IN.

X 45 DEGREES IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-476-3013, 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
124-5563775 PC 17
NSN: 5310-01-476-3013
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 865 OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter1.625 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES ALL SURFACES
overall_diameter2.281 INCHES NOMINAL IN
special_featuresWASHER CHAMFERED TOP AND BOTTOM AROUND COMPLETE DIA. 0.031 IN. X 45 DEGREES IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-C-390,ALLOY 865 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-476-3013
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-5563775 PC 17 · 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
•
SURFACE FINISH: 125.0 MICROINCHES ALL SURFACES
•
OVERALL DIAMETER: 2.281 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
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
OVERALL DIAMETER2.281 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY 865 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESWASHER CHAMFERED TOP AND BOTTOM AROUND COMPLETE DIA. 0.031 IN. X 45 DEGREES IN
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY 865 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.625 INCHES NOMINAL IN
THICKNESS0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5563775Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 124-5563775 PC 17?
124-5563775 PC 17 is a WASHER,FLAT.
What parts can replace 124-5563775 PC 17?
There is 1 known substitute for 124-5563775 PC 17: 5563775. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-5563775 PC 17?
124-5563775 PC 17 is cataloged in the U.S. Government catalog under NSN 5310-01-476-3013. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.