Technical Specifications

NSN0814
Part Number
NSN0814
Imperial Dimensions
0.5 inch outside diameter x 0.25 inch inside
diameter x 0.125 inch thick
Metric Dimensions
12.7mm outside diameter x 6.35mm inside
diameter x 3.175mm thick
Material
Sintered Neodymium-Iron-Boron (NdFeB)
Shape
Ring
Plating
Ni-Cu-Ni (Nickel)
Magnetization Direction
Thickness
Grade
N40
Pull Force
2.67[1211]
Surface Field
3323
Maximum Operating Temperature
80 Deg C (176 Deg F)
Dimensional Tolerance
+/-0.005"
Magnet Quantity
12
Brand
Magcraft
Packaging
Magpak Tube
UPC
875661001143
Remanent Flux Density Br (kG (T))
12.5-12.8 [1.25-1.28]
Coercivity HcB (kOe (kA/m))
≥11.3 [≥923]
Intrinsic Coercivity HcJ (kOe (kA/m))
≥12.0 [≥995]
Maximum Energy Product Bhmax (MGOe (kJ/m3))
38-41 [302-326]
Density ρ (g/cm3)
≥7.45
Compression Strength (Mpa)
600-1200
Bending Strength (Mpa)
150-380
Vickers Hardness (HV)
460-660
Recoil Permeability (μrec)
1.05
Electrical Resistance (Ω·mm2/m)
1.25-1.55
Curie Temperature Tc (°C)
310
Thermal Expansion Coefficient 100°C // (x10^-6/K)
6
Thermal Expansion Coefficient 100°C ⊥
(x10^-6/K)
-1
These ring magnets are 0.500"(12.7mm) outside diameter x 0.250"(6.4mm) inside diameter x
0.125"(3.2mm) thick. They are magnetized through the thickness. They are composed of grade 40
neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion
resistant finish. Their individual pull force is approximately 2.6 lbs. Maximum working temperature is 176 F
(80 C).
Specifications
12
Package of
Page 1 of 1
Magcraft
1934 Old Gallows Rd, STE 350
Vienna, VA 22101, USA
© 2015 National Imports LLC dba Magcraft. All
Rights Reserved. National Imports LLC reserves
the right to change specifications without notice.
2/21/2015
Phone: [phone]
Fax: [phone]
EMail: [e-mail]
Revised: