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98019A100 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

98019A100: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.016 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, hole_diameter: 0.094 INCHES NOMINAL IN, hardness_rating: 70.0 ROCKWELL B NOMINAL, overall_diameter: 0.250 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-482-5057, 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
98019A100
NSN: 5310-01-482-5057
FSC: 5310 — Nuts and Washers
CAGE: 0KVE6 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.016 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
hole_diameter0.094 INCHES NOMINAL IN
hardness_rating70.0 ROCKWELL B NOMINAL
overall_diameter0.250 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationEN ITEM IS 5855014759444
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMS15795 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-482-5057
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98019A100 · 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: 0.250 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 ROCKWELL B NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MS15795 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.250 INCHES NOMINAL IN
HARDNESS RATING70.0 ROCKWELL B NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMS15795 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONEN ITEM IS 5855014759444
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.094 INCHES NOMINAL 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 98019A100?
98019A100 is a WASHER,FLAT.
What is the NSN for 98019A100?
98019A100 is cataloged in the U.S. Government catalog under NSN 5310-01-482-5057. This indicates validated use in U.S. government and defense supply chains.
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