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8520394 — WASHER,SPLIT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8520394: WASHER,SPLIT.

The WASHER,SPLIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 6.500 INCHES NOMINAL IN, outside_diameter: 7.500 INCHES NOMINAL IN, special_features: IVE 0.297 IN. DIA HOLES 60 DEG APART IN, style_designator: SPLIT, surface_treatment: ZINC OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-535-8787, 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
8520394
NSN: 5310-00-535-8787
FSC: 5310 — Nuts and Washers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter6.500 INCHES NOMINAL IN
outside_diameter7.500 INCHES NOMINAL IN
special_featuresIVE 0.297 IN. DIA HOLES 60 DEG APART IN
style_designatorSPLIT
surface_treatmentZINC OVERALL
material_thickness0.033 INCHES NOMINAL IN
distance_across_split_opening3.938 INCHES NOMINAL IN
NSN5310-00-535-8787
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8520394 · 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
•
DISTANCE ACROSS SPLIT OPENING: 3.938 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPLIT
•
OUTSIDE DIAMETER: 7.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.033 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 6.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE ACROSS SPLIT OPENING3.938 INCHES NOMINAL IN
STYLE DESIGNATORSPLIT
OUTSIDE DIAMETER7.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.033 INCHES NOMINAL IN
SPECIAL FEATURESIVE 0.297 IN. DIA HOLES 60 DEG APART IN
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER6.500 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8520394?
8520394 is a WASHER,SPLIT.
What is the NSN for 8520394?
8520394 is cataloged in the U.S. Government catalog under NSN 5310-00-535-8787. 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.