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0934309 ✓ 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: STEEL CORROSION RESISTING OVERALL, hole_diameter: 1.375 INCHES NOMINAL IN, outside_diameter: 2.625 INCHES NOMINAL IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: CADMIUM OR ZINC OVERALL, material_thickness: 0.078 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-811-2220, 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
0934309
NSN: 5310-00-811-2220
FSC: 5310
CAGE: D9448 — RHEINMETALL LANDSYSTEME GMBH (DEU)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter1.375 INCHES NOMINAL IN
outside_diameter2.625 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentCADMIUM OR ZINC OVERALL
material_thickness0.078 INCHES NOMINAL IN
NSN5310-00-811-2220
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0934309 · 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: CADMIUM OR ZINC OVERALL
•
HOLE DIAMETER: 1.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
OUTSIDE DIAMETER: 2.625 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.078 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
HOLE DIAMETER1.375 INCHES NOMINAL IN
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIALSTEEL CORROSION RESISTING OVERALL
OUTSIDE DIAMETER2.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.078 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
26823Interchangeable
interchangeable cross-reference
interchangeable
BT26823Interchangeable
interchangeable cross-reference
interchangeable
270-26Interchangeable
Silica 1 Reagent
interchangeable
270-56Interchangeable
Silica 1 Reagent
interchangeable
27026-1Interchangeable
interchangeable cross-reference
interchangeable
500608Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0934309?
0934309 is a WASHER,LOCK.
What parts can replace 0934309?
There are 8 known substitutes for 0934309: 26823, BT26823, 270-26 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0934309?
0934309 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-811-2220. 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