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Technical Data Sheet
PartsTable / COMPONENT / 402-8114
402-8114 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: ZINC OVERALL, style_designator: FLAT EXTERNAL TEETH, end_item_identification: 2350-01-619-5649, part_name_assigned_by_controlling_agency: WASHER LOCK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-707-4220, 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
402-8114
NSN: 5310-01-707-4220
FSC: 5310
CAGE: 064H2 — MARVIN LAND SYSTEMS, INC. (USA)
SPECIFICATIONS
materialZINC OVERALL
style_designatorFLAT EXTERNAL TEETH
end_item_identification2350-01-619-5649
part_name_assigned_by_controlling_agencyWASHER LOCK
NSN5310-01-707-4220
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 402-8114 · 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
•
MATERIAL: ZINC OVERALL
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION2350-01-619-5649
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER LOCK
MATERIALZINC OVERALL
STYLE DESIGNATORFLAT EXTERNAL TEETH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
550 5/16Interchangeable
interchangeable cross-reference
interchangeable
5133PL0881822Interchangeable
interchangeable cross-reference
interchangeable
NAS907Interchangeable
interchangeable cross-reference
interchangeable
33-770Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 402-8114?
402-8114 is a WASHER,LOCK.
What parts can replace 402-8114?
There are 4 known substitutes for 402-8114: 550 5/16, 5133PL0881822, NAS907 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 402-8114?
402-8114 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-707-4220. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026