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Z5293-39 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

Z5293-39: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.164 INCHES NOMINAL0.164 INCHES NOMINAL IN, outside_diameter: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC AND PASSIVATE OVERALL, material_thickness: 0.040 INCHES NOMINAL0.040 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-072-7428, 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
Z5293-39
NSN: 5310-01-072-7428
FSC: 5310 — Nuts and Washers
CAGE: U0041 — PRESTOLITE ELECTRIC LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.164 INCHES NOMINAL0.164 INCHES NOMINAL IN
outside_diameter0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC AND PASSIVATE OVERALL
material_thickness0.040 INCHES NOMINAL0.040 INCHES NOMINAL IN
material_document_and_classificationEN42B MFR REF SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationZ2 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-072-7428
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Z5293-39 · 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: Z2 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: EN42B MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL0.040 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC AND PASSIVATE OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.164 INCHES NOMINAL0.164 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONZ2 MFR REF SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONEN42B MFR REF SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES NOMINAL0.040 INCHES NOMINAL IN
SURFACE TREATMENTZINC AND PASSIVATE OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.164 INCHES NOMINAL0.164 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is Z5293-39?
Z5293-39 is a WASHER,LOCK.
What is the NSN for Z5293-39?
Z5293-39 is cataloged in the U.S. Government catalog under NSN 5310-01-072-7428. 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.