MS51960-79

Military Standard Screw

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Description:

Fastener Length: 5/16", Thread: 1/4-28, Thread Length: 7/32"

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MS51960-79 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.102 inches minimum and 0.220 inches maximum
Fastener Length:
0.280 inches minimum and 0.312 inches maximum
Head Style:
Flat countersunk undercut
Head Diameter:
0.452 inches minimum and 0.507 inches maximum
Head Height:
0.092 inches minimum and 0.107 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
80000 pounds per square inch
Countersink Angle:
82.0 degrees nominal
Screw Material:
Steel comp 304 or steel comp 301
Screw Material Specification:
Qq-s-763 fed spec 1st material response or fed std 66 fed spec 2nd material response
Screw Surface Treatment:
Passivate
Screw Surface Treatment Specification:
Qq-p-35 fed spec single treatment response
Thread Series Designator:
Unf
Nondefinitive Specification/std Data:
3 type and 2c style
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 5/16

Additional Information

SKU / Model: MS5196079
NSN: 5305-01-019-2397
FSC: Screws / 5305
Product Series: MS51960
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS51960-79_Military-Fasteners-com.pdf
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Have had nothing but great experiences. If I ever need anything I just email Amelia Fato and she gets me fixed up! Super fast and helpful customer service. 10 out of 10.

5.0

Really fast processing of my order and faster than expected shipment and delivery. Really pleased. Thank you.

5.0

Awesome service. People are friendly, polite and fast to communicate with you!

5.0

I have been a customer since Fullerton Air Parts (Flo Irwin). That should speak volumes of the service I have received from Military Fasteners. In the early days, I had a variety of planes and was based out of Orange County Airport. At the time, the airport was surrounded by bean fields. I, and some of my friends, would frequently fly into Fullerton airport for lunch, the pick up whatever supplies we needed from Flo. She was a great lady, and I am glad that she passed on such a wonderful legacy. I am certain that she would be very proud of what she started, and proud of you all for building on her meager beginnings.

4.0