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4578-32 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4578-32: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, outside_diameter: 0.040 INCHES NOMINAL IN, style_designator: COUNTERSINK INTERNAL TEETH, end_item_identification: USED ON XY2EDE-RF 200 WATT XEON SEARCHLIGHT; LOGISTICS SUPPORT VESSEL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-564-0609, 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
4578-32
NSN: 5310-01-564-0609
FSC: 5310 — Nuts and Washers
CAGE: 10741 — CARLISLE & FINCH CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
outside_diameter0.040 INCHES NOMINAL IN
style_designatorCOUNTERSINK INTERNAL TEETH
end_item_identificationUSED ON XY2EDE-RF 200 WATT XEON SEARCHLIGHT; LOGISTICS SUPPORT VESSEL
NSN5310-01-564-0609
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4578-32 · 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
•
STYLE DESIGNATOR: COUNTERSINK INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.040 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCOUNTERSINK INTERNAL TEETH
OUTSIDE DIAMETER0.040 INCHES NOMINAL IN
END ITEM IDENTIFICATIONUSED ON XY2EDE-RF 200 WATT XEON SEARCHLIGHT; LOGISTICS SUPPORT VESSEL
MATERIALSTEEL CORROSION RESISTING OVERALL
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 4578-32?
4578-32 is a WASHER,LOCK.
What is the NSN for 4578-32?
4578-32 is cataloged in the U.S. Government catalog under NSN 5310-01-564-0609. 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.