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493-129 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

493-129: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include special_features: GRADE 5 LOCK WASHER NUMBER 10, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL, part_name_assigned_by_controlling_agency: REGULAR STANDARD LOCK WASHERS MECHANICAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-587-5072, 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
493-129
NSN: 5310-01-587-5072
FSC: 5310 — Nuts and Washers
CAGE: 74QK6 — AJAX TOCCO MAGNETHERMIC CORPORATION DBA PINES ENGINEERING DIV PINES ENGINEERING (USA)
SPECIFICATIONS
special_featuresGRADE 5 LOCK WASHER NUMBER 10
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC OVERALL
part_name_assigned_by_controlling_agencyREGULAR STANDARD LOCK WASHERS MECHANICAL
NSN5310-01-587-5072
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 493-129 · 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: SPLIT HELICAL-RIGHT HAND
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SPECIAL FEATURESGRADE 5 LOCK WASHER NUMBER 10
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYREGULAR STANDARD LOCK WASHERS MECHANICAL
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 493-129?
493-129 is a WASHER,LOCK.
What is the NSN for 493-129?
493-129 is cataloged in the U.S. Government catalog under NSN 5310-01-587-5072. This indicates validated use in U.S. government and defense supply chains.
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