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CYRD266 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

CYRD266: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN, hole_diameter: 0.1675 INCHES MINIMUM AND 0.1695 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES BOTTOM, overall_diameter: 0.281 INCHES NOMINAL IN, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-209-4072, 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
CYRD266
NSN: 5310-00-209-4072
FSC: 5310 — Nuts and Washers
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
hole_diameter0.1675 INCHES MINIMUM AND 0.1695 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BOTTOM
overall_diameter0.281 INCHES NOMINAL IN
features_providedCASEHARDENED
surface_treatmentOXIDE FILM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-209-4072
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CYRD266 · 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: 32.0 MICROINCHES BOTTOM
•
OVERALL DIAMETER: 0.281 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
FEATURES PROVIDED: CASEHARDENED
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES BOTTOM
OVERALL DIAMETER0.281 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
SURFACE TREATMENTOXIDE FILM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.1675 INCHES MINIMUM AND 0.1695 INCHES MAXIMUM IN
THICKNESS0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 CYRD266?
CYRD266 is a WASHER,FLAT.
What is the NSN for CYRD266?
CYRD266 is cataloged in the U.S. Government catalog under NSN 5310-00-209-4072. This indicates validated use in U.S. government and defense supply chains.
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