KFN542-4

Locking Assembled Washer Nut Self

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Description:

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

* Manufacturer certifications are shipped with your order FREE of charge
KFN542-4
KFN542-4
KFN542-4
Add to Cart Up to qty 380 ships same day if ordered before 4pm EST
KFN542-4 Price:
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$5.21 Each
Quantity:
Pre-packaged bag qty: 10 ea
* Sold in increments of 10
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KFN542-4 Datasheet 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
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3B
Material Steel

Additional Information

SKU / Model: KFN5424
NSN: 5310-01-111-6517
FSC: Nuts and Washers / 5310
Product Series: KFN542
Pack Weight (Approx.) 0.052 lb
Minimum Qty (MOQ): 10
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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More KFN542 self-locking assembled washer nuts

KFN542-8

$39.54 EA, Thread Size: 1/2in., Head Width: 1/2in.

KFN542-6

Thread Size: 3/8in., Head Width: 3/8in., 5310-01-114-5174

KFN542-3

Locknut thread size: 1/4in., Head Width: 1/4in.

KFN542-08

Thread Size: 1/8in., Head Width: 1/4in., 5310-01-119-6793

Product Image Gallery

Product code KFN542-4
KFN542-4
KFN542-4
KFN542-4

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Customer Reviews

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Thanks for the quick delivery! Arrived quickly and in perfect condition. As usual with Military Fasteners. I'll be back!

5.0

Great company with excellent quality service. Devin barkholz provides quality quick shipments, would recommend

5.0

I appreciate your service, especially being able to talk to people who know a lot about aircraft and the many accessories, parts, etc.

5.0

Military Fasteners was recently added to our list of approved vendors and so far it has been an absolute pleasure working with them. The speed, communication, and coordination with our orders so far have been absolutely above and beyond. Sarah is an absolute all star and made the ordering process quick and seamless. 10/10 Would recommend to anyone looking for products!

5.0