KFN542-4

Locking Assembled Washer Nut Self

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Description:

Thread Size: 1/4", Head Width: 1/4", locknut, KFN542 series nut

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KFN542-4 KFN542-4 KFN542-4
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Up to qty 160 ships same day if ordered before 4pm EST
KFN542-4 Price: $3.95 Each
Quantity:
sold in increments of 10
* Sold in increments of 10
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KFN542-4 Features and Specification

Counterbore Diameter:
0.283 inches nut and 0.288 inches nut
Hardness Rating:
Between 39.0 rockwell c and 43.0 rockwell c
Locking Feature:
Prevailing torque all metal design
Material:
Steel comp e4340 nut or steel comp 4140 nut or steel comp 8740 nutsteel washer
Material Specification:
Mil-s-5000 military specification 1st material response nut or mil-s-5626 military specification 2nd material response nut or mil-s-6049 military specification 3rd material response nut
Thread Size:
0.250 inches
Nut Counterbore Depth:
0.087 inches nut and 0.097 inches nut
Nut Style:
Flat with turned up edge
Overall Height:
0.280 inches
Special Features:
Washer rockwell c scale 40.0 min and 45.0 max
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Cl 2 federal specification single treatment response type 2 qq-p-416
Tempurature Rating:
450.0 degrees fahrenheit
Thread Class:
3b
Thread Direction:
Right-hand
Thread Qty Per Inch (tpi):
28
Thread Series:
Unjf (fine thread with external controlled root radius)
Washer Outside Diameter:
0.460 inches
Width Across Flats:
Between 0.306 inches and 0.313 inches

Additional Information

SKU / Model: KFN5424
Minimum Qty (MOQ): 10
NSN: 5310-01-111-6517
FSC: Nuts and Washers / 5310
Schedule B: 7318.16.0085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
KFN542-4_Military-Fasteners-com.pdf
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MS28778-8
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MS28778-6
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Outer diameter: 3/8, preformed packing, straight thread tube fitting, MS28778 series o-ring

HL70-6
Pin-Rivet Collar

in Collars

Shear application, 2024-t6 aluminum alloy, red anodized, HL70 series collar. The standard collar is tamper proof because it cannot be removed without the use of special tools.

M25988/1-016
O-Ring

in O-Rings

inner diameter: 0.614", thickness 0.07", MS25988 series oring

AS3209-142
O-Ring

in O-Rings

high temp fluid resistant, very low compression set, flurocarbon rubber, AS3209 series oring

More KFN542 self-locking assembled washer nuts

KFN542-8

$32.95 EA, Thread Size: 1/2in., Head Width: 1/2in.

KFN542-6

Thread Size: 3/8in., Head Width: 3/8in.

KFN542-3

$3.05 Each, locknut thread size: 1/4in., Head Width: 1/4in.

KFN542-08

Thread Size: 1/8", Head Width: 1/4"

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