MS21244-4

Military Standard Plain Castellated Hexagon Nut

email this to someone  
Description:

Assembled washer, 1/4-28 unjf thread, A grade steel, MS21244 series nut

* Manufacturer certifications are shipped with your order FREE of charge
MS21244-4
MS21244-4
MS21244-4
Add to Quote We are currently out of stock of this item. Click the button below to add this item to a quote and receive up to date pricing and availability by email.

Add to Quote

MS21244-4 Datasheet Features and Specification

Thread Class:
3b
Thread Direction:
Right-hand
Washer Outside Diameter:
0.530 inches minimum and 0.560 inches maximum
Counterbore Diameter:
0.299 inches minimum nut and 0.309 inches maximum nut
Overall Height:
0.365 inches minimum and 0.405 inches maximum
Nut Style:
Flat with turned back edge
Nut Counterbore Depth:
0.172 inches minimum nut and 0.192 inches maximum nut
Width Across Flats:
0.430 inches minimum and 0.439 inches maximum
Tempurature Rating:
450.0 deg fahrenheit maximum
Thread Series:
Unjf
Thready Qty Per Inch (tpi):
28
Thread Size:
0.250 inches
Bearing Surface Finish:
125.0 microinches
Material:
Steel comp 302 washer or steel comp 321 washer
Material:
Steel nut
Surface Treatment:
Cadmium nut and chromate nut
Surface Treatment:
Passivate washer
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response washer
Surface Treatment Specification:
Qq-p-416 type 2 class 2 fed spec single treatment response nut
Nondefinitive Specification/std Data:
A grade
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel

Additional Information

Alternate Part Numbers

  • MSY03919
SKU / Model: MS212444
NSN: 5310-00-126-5753
FSC: Nuts and Washers / 5310
Product Series: MS21244
Pack Weight (Approx.) 0.125 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
MS21244-4_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More MS21244 plain castellated hexagon nuts

MS21244-10

MS21244-10 unjf 3b hexagon nut 5/8-18 thread

Product Image Gallery

Product code MS21244-4
MS21244-4
MS21244-4
MS21244-4

Have a question

If you require a quote on this or any product please visit our quote request page »

Browse our frequently asked questions page.

You may contact us by phone at +1 (904) 543-6395 or email us using our contact form.

Our hours of operation are 8:00am - 6:00pm EST

Customer Reviews

Google View our Google profile

Easy catalogue to find things. Battery fit perfect. Legal again for another two years. Delivered sooner than promised!

5.0

AS Always fast and great service by all.

5.0

Military Fasteners has become my provider of choice for parts and other needs since purchasing an airplane last year.

4.0

Great to deal with. Quick responses are so important to businesses and they definitely do that....

5.0