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H260K213 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

H260K213: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: WOOL COMP 9R2 OVERALL, thickness: 0.250 INCHES NOMINAL IN, hole_diameter: 2.375 INCHES NOMINAL IN, overall_diameter: 3.375 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-374-4058, 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
H260K213
NSN: 5310-00-374-4058
FSC: 5310 — Nuts and Washers
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
materialWOOL COMP 9R2 OVERALL
thickness0.250 INCHES NOMINAL IN
hole_diameter2.375 INCHES NOMINAL IN
overall_diameter3.375 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength200 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationC-F-206,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-374-4058
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H260K213 · 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: 3.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: C-F-206,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MINIMUM TENSILE STRENGTH: 200 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: WOOL COMP 9R2 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 2.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER3.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MINIMUM TENSILE STRENGTH200 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
MATERIALWOOL COMP 9R2 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER2.375 INCHES NOMINAL IN
THICKNESS0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
42850Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H260K213?
H260K213 is a WASHER,FLAT.
What parts can replace H260K213?
There is 1 known substitute for H260K213: 42850. Substitute compatibility should be verified for your specific system.
What is the NSN for H260K213?
H260K213 is cataloged in the U.S. Government catalog under NSN 5310-00-374-4058. 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.