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PartsTable / COMPONENT / C1226-1024-3
C1226-1024-3 ✓ 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 NUT,SHEET SPRING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SHEET SPRING, nut_width: 0.430 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN, nut_length: 0.742 INCHES MINIMUM AND 0.758 INCHES MAXIMUM IN, surface_treatment: ZINC AND DICHROMATE OVERALL, material_thickness: 0.012 INCHES MINIMUM AND 0.028 INCHES MAXIMUM 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 5310-00-371-4065, 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
C1226-1024-3
NSN: 5310-00-371-4065
FSC: 5310
CAGE: 78553 — TINNERMAN PALNUT ENGINEERED PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSHEET SPRING
nut_width0.430 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN
nut_length0.742 INCHES MINIMUM AND 0.758 INCHES MAXIMUM IN
surface_treatmentZINC AND DICHROMATE OVERALL
material_thickness0.012 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
mounting_hole_diameter0.211 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
nut_mounting_provisionSTRAIGHT HOLES
mounting_hole_arrangement_style1 HOLE
distance_from_mounting_hole_center_to_base0.351 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN
NSN5310-00-371-4065
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C1226-1024-3 · 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: STEEL OVERALL
•
SURFACE TREATMENT: ZINC AND DICHROMATE OVERALL
•
NUT WIDTH: 0.430 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN
•
NUT MOUNTING PROVISION: STRAIGHT HOLES
•
DISTANCE FROM MOUNTING HOLE CENTER TO BASE: 0.351 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN
•
NUT LENGTH: 0.742 INCHES MINIMUM AND 0.758 INCHES MAXIMUM IN
•
NUT STYLE: SHEET SPRING
•
MOUNTING HOLE ARRANGEMENT STYLE: 1 HOLE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC AND DICHROMATE OVERALL
NUT WIDTH0.430 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN
NUT MOUNTING PROVISIONSTRAIGHT HOLES
DISTANCE FROM MOUNTING HOLE CENTER TO BASE0.351 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN
NUT LENGTH0.742 INCHES MINIMUM AND 0.758 INCHES MAXIMUM IN
NUT STYLESHEET SPRING
MOUNTING HOLE ARRANGEMENT STYLE1 HOLE
MATERIAL THICKNESS0.012 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER0.211 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
30321Interchangeable
interchangeable cross-reference
interchangeable
30321-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C1226-1024-3?
C1226-1024-3 is a NUT,SHEET SPRING.
What parts can replace C1226-1024-3?
There are 2 known substitutes for C1226-1024-3: 30321, 30321-1. Substitute compatibility should be verified for your specific system.
What is the NSN for C1226-1024-3?
C1226-1024-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-371-4065. 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