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8-60014920 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8-60014920: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, hole_diameter: 2.263 INCHES NOMINAL IN, outside_diameter: 4.500 INCHES NOMINAL IN, style_designator: KEY, surface_treatment: CHROMATE OVERALL, material_thickness: 0.187 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-070-8187, 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
8-60014920
NSN: 5310-01-070-8187
FSC: 5310 — Nuts and Washers
CAGE: 03024 — SENIOR OPERATIONS LLC DIV SENIOR AEROSPACE KETEMA (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
hole_diameter2.263 INCHES NOMINAL IN
outside_diameter4.500 INCHES NOMINAL IN
style_designatorKEY
surface_treatmentCHROMATE OVERALL
material_thickness0.187 INCHES NOMINAL IN
external_key_quantity2
external_prebent_key_angle16.0 DEGREES MINIMUM AND 18.0 DEGREES MAXIMUM
external_prebent_key_width0.605 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN
external_prebent_key_length1.750 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/11,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
NSN5310-01-070-8187
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8-60014920 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
•
EXTERNAL PREBENT KEY LENGTH: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.187 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 2
•
EXTERNAL PREBENT KEY ANGLE: 16.0 DEGREES MINIMUM AND 18.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
EXTERNAL PREBENT KEY LENGTH1.750 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.187 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY2
EXTERNAL PREBENT KEY ANGLE16.0 DEGREES MINIMUM AND 18.0 DEGREES MAXIMUM
SURFACE TREATMENTCHROMATE OVERALL
EXTERNAL PREBENT KEY WIDTH0.605 INCHES MINIMUM AND 0.615 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8-60014920?
8-60014920 is a WASHER,KEY.
What is the NSN for 8-60014920?
8-60014920 is cataloged in the U.S. Government catalog under NSN 5310-01-070-8187. 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.