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298S10 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

298S10: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: LEATHER OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.508 INCHES NOMINAL IN, overall_diameter: 0.688 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-186-4138, 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
298S10
NSN: 5310-00-186-4138
FSC: 5310 — Nuts and Washers
CAGE: 55284 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL DIV AEROSPACE-SOUTH BEND (WESTMOOR ST) (USA)
SPECIFICATIONS
materialLEATHER OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.508 INCHES NOMINAL IN
overall_diameter0.688 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-186-4138
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 298S10 · 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: 0.688 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: LEATHER OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.508 INCHES NOMINAL IN
•
THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.688 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALLEATHER OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.508 INCHES NOMINAL IN
THICKNESS0.062 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 8
563-2100-932546ALT1PC16Reference document
Same NSN cross-reference
Reference document — Secondary reference
5518591Reference document
Same NSN cross-reference
Reference document — Secondary reference
1329Reference document
Same NSN cross-reference
Reference document — Secondary reference
1283-112Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN6246-10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AN6246PC10Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 298S10?
298S10 is a WASHER,FLAT.
What parts can replace 298S10?
There are 8 known substitutes for 298S10: 563-2100-932546ALT1PC16, 5518591, 1329 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 298S10?
298S10 is cataloged in the U.S. Government catalog under NSN 5310-00-186-4138. 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.