MS16998-40L

Military Standard Screw

email this to someone  
Description:

Fastener Length: 3/8", Thread: 1/4-28, Head Width: 3/16", Thread Length: 3/8"

* Manufacturer certifications are shipped with your order FREE of charge
no image available
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

MS16998-40L Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.273 inches minimum and 0.375 inches maximum
Fastener Length:
0.344 inches minimum and 0.375 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.365 inches minimum and 0.375 inches maximum
Head Height:
0.244 inches minimum and 0.250 inches maximum
Locking Feature:
Strip threads or patch threads
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.1875 inches minimum and 0.1900 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
38.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Minimum Yield Strength:
150000 pounds per square inch
Material:
Steel overall
Surface Treatment:
Chromate overall and cadmium overall
Surface Treatment Specification:
Qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator:
Unf
Nondefinitive Specification/std Data:
6 type
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 3/8

Additional Information

SKU / Model: MS1699840L
NSN: 5305-01-189-3757
FSC: Screws / 5305
Product Series: MS16998
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 30 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS16998-40L_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More MS16998 machine screws

MS16998-80

Fastener Length: 2-1/2in., Thread: 3/8-24, Head Width: 5/16in., Thread Length: 1-1/2in., 5305-00-983-7453

MS16998-78

Fastener Length: 1-63/64", Thread: 3/8-24, Head Width: 1/4", Thread Length: 1-1/2"

MS16998-73

$31.80 EA, Fastener Length: 7/8in., Thread: 3/8-24, Head Width: 1/4in., Thread Length: 7/8in.

MS16998-70

Fastener Length: 1/2", Thread: 3/8-24, Head Width: 5/16", Thread Length: 13/32"

MS16998-65

Fastener Length: 2-1/2", Thread: 1/4-24, Head Width: 1/4", Thread Length: 1-3/8"

MS16998-61L

$1.20 EA, Fastener Length: 1-1/2in., Thread: 1/4-24, Head Width: 1/4in., Thread Length: 1-1/2in.

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

I really appreciate the easy to use web site, the extensive stock you maintain and the prompt shippment. Keep up the good work. Thanks!

5.0

Great service, I run a small GA workshop and I can count on Military Fasteners even though I'm in Australia, its quicker than getting it in Australia most of the time. The web site is great and simple to find the parts needed.

4.0

We were able to find the parts needed at a competitive price. Jasmine Morales was helpful in fulfilling this order.

5.0

Ive been purchasing aircraft parts and hardware from Military Fasteners for over 4 years. That alone should speak volumes. Ive always received excellent customer service and the product quality is unrivaled. When I think of aircraft parts and accessories, Im thinking Military Fasteners. Keep up the excellent work folks! Regards, Ed

5.0