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4028343 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4028343: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.176 INCHES NOMINAL IN, outside_diameter: 0.340 INCHES NOMINAL IN, style_designator: FLAT INTERNAL TEETH, material_thickness: 0.023 INCHES NOMINAL IN, internal_key_quantity: 12. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-645-6952, 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
4028343
NSN: 5310-01-645-6952
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.176 INCHES NOMINAL IN
outside_diameter0.340 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
material_thickness0.023 INCHES NOMINAL IN
internal_key_quantity12
end_item_identificationF-15SA
part_name_assigned_by_controlling_agencyS/S INTERNAL TOOTH LOCK WASHER
NSN5310-01-645-6952
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4028343 · 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: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.340 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.023 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
INTERNAL KEY QUANTITY: 12
•
HOLE DIAMETER: 0.176 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER0.340 INCHES NOMINAL IN
MATERIAL THICKNESS0.023 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYS/S INTERNAL TOOTH LOCK WASHER
END ITEM IDENTIFICATIONF-15SA
MATERIALSTEEL CORROSION RESISTING OVERALL
INTERNAL KEY QUANTITY12
HOLE DIAMETER0.176 INCHES NOMINAL IN
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 4028343?
4028343 is a WASHER,LOCK.
What is the NSN for 4028343?
4028343 is cataloged in the U.S. Government catalog under NSN 5310-01-645-6952. This indicates validated use in U.S. government and defense supply chains.
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