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217566 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

217566: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include precious_material: SILVER, end_item_identification: AIM-4, general_characteristics_item_description: SILVER PLATED PER QQ-S-365 TYPE 1 GRADE B,0.0001 TO 0.0003 THICK SILVER OVER 0.0021 MAX COPPER UNDERCOATING. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-602-5541, 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
217566
NSN: 5310-00-602-5541
NIINs: 006025541, 008752309, 014837342
FSC: 5310 — Nuts and Washers
CAGE: 32537 — JOY GLOBAL UNDERGROUND MINING LLC (USA)
SPECIFICATIONS
precious_materialSILVER
end_item_identificationAIM-4
general_characteristics_item_descriptionSILVER PLATED PER QQ-S-365 TYPE 1 GRADE B,0.0001 TO 0.0003 THICK SILVER OVER 0.0021 MAX COPPER UNDERCOATING
NSN5310-00-602-5541
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 217566 · 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: 0.420 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
•
HARDNESS RATING: 84.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.4 ROCKWELL SUPERFICIAL 15-N MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
THICKNESS: 0.031 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.420 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
HARDNESS RATING84.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.4 ROCKWELL SUPERFICIAL 15-N MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.281 INCHES NOMINAL IN
THICKNESS0.031 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 217566?
217566 is a BEARING,ROLLER,CYLINDRICAL.
What is the NSN for 217566?
217566 is cataloged in the U.S. Government catalog under NSN 5310-00-602-5541. 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.