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68A411080-2009 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

68A411080-2009: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP D OVERALL, hole_diameter: 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, outside_diameter: 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, internal_straight_key_width: 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-015-0879, 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
68A411080-2009
NSN: 5310-01-015-0879
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP D OVERALL
hole_diameter0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
outside_diameter0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
internal_key_quantity2
internal_straight_key_width0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_top_of_internal_key0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
NSN5310-01-015-0879
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 68A411080-2009 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP D OVERALL
•
INTERNAL KEY QUANTITY: 2
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
MATERIAL THICKNESS0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
MATERIALSTEEL COMP D OVERALL
INTERNAL KEY QUANTITY2
HOLE DIAMETER0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM 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 68A411080-2009?
68A411080-2009 is a WASHER,KEY.
What is the NSN for 68A411080-2009?
68A411080-2009 is cataloged in the U.S. Government catalog under NSN 5310-01-015-0879. This indicates validated use in U.S. government and defense supply chains.
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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.