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

As always, doing business with you is a pleasure!!

5.0

Love working with this company. Customer service is always so kind and helpful.

5.0

I placed an order with Lindsey at Military Fasteners late afternoon, 3:15 to be exact and she was nice enough to expedite my order and made sure to get it shipped that day. Great company with great people.

5.0

Your service is great. I have use you for years and your service has always been great

4.0