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418220 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

418220: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, thickness: 3.0 MILLIMETERS NOMINAL MM, hole_diameter: 18.5 MILLIMETERS NOMINAL MM, overall_diameter: 40.0 MILLIMETERS NOMINAL MM, special_features: WASHER TYPE IS 910 MCV, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-618-1253, 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
418220
NSN: 5310-01-618-1253
FSC: 5310 — Nuts and Washers
CAGE: 5PFF0 — HYDREMA U.S., INC. DBA HYDREMA US INC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
thickness3.0 MILLIMETERS NOMINAL MM
hole_diameter18.5 MILLIMETERS NOMINAL MM
overall_diameter40.0 MILLIMETERS NOMINAL MM
special_featuresWASHER TYPE IS 910 MCV
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification2355-22-622-7966
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAXLE DIA 40X,POM,MATERIAL NO.898701 MFR REF SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyWASHER
NSN5310-01-618-1253
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 418220 · 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: 40.0 MILLIMETERS NOMINAL MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AXLE DIA 40X,POM,MATERIAL NO.898701 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER40.0 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATIONAXLE DIA 40X,POM,MATERIAL NO.898701 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESWASHER TYPE IS 910 MCV
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER
END ITEM IDENTIFICATION2355-22-622-7966
MATERIALPLASTIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER18.5 MILLIMETERS NOMINAL MM
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 418220?
418220 is a WASHER,FLAT.
What is the NSN for 418220?
418220 is cataloged in the U.S. Government catalog under NSN 5310-01-618-1253. This indicates validated use in U.S. government and defense supply chains.
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