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308564 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

308564: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OVERALL, hole_diameter: 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN, heat_treatment: AS FABRICATED, outside_diameter: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.015 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-286-1074, 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
308564
NSN: 5310-00-286-1074
FSC: 5310 — Nuts and Washers
CAGE: 03104 — TELEDYNE BROWN ENGINEERING, INC. DBA TELEDYNE TURBINE ENGINES DIV TELEDYNE TURBINE ENGINES (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
hole_diameter0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
heat_treatmentAS FABRICATED
outside_diameter0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.015 INCHES NOMINAL IN
external_key_quantity4
external_straight_key_width0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
overall_distance_including_keys0.655 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
NSN5310-00-286-1074
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 308564 · 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 DISTANCE INCLUDING KEYS: 0.655 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
•
HEAT TREATMENT: AS FABRICATED
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.015 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 4
•
MATERIAL: STEEL COMP 301 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DISTANCE INCLUDING KEYS0.655 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
HEAT TREATMENTAS FABRICATED
STYLE DESIGNATORKEY
OUTSIDE DIAMETER0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
MATERIAL THICKNESS0.015 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY4
MATERIALSTEEL COMP 301 OVERALL
HOLE DIAMETER0.350 INCHES MINIMUM AND 0.360 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 308564?
308564 is a WASHER,KEY.
What is the NSN for 308564?
308564 is cataloged in the U.S. Government catalog under NSN 5310-00-286-1074. 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.