MS16998-57

Military Standard Machine Screw

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Description:

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

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MS16998-57
MS16998-57
MS16998-57
MS16998-57
MS16998-57
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MS16998-57 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.719 inches minimum and 0.750 inches maximum
Fastener Length:
0.719 inches minimum and 0.750 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.457 inches minimum and 0.460 inches maximum
Head Height:
0.306 inches minimum and 0.312 inches maximum
Internal Drive Style:
Hexagon
Thread Diameter:
0.312 inches
Width Across Flats:
0.250 inches minimum and 0.253 inches maximum
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Minimum Yield Strength:
130000 pounds per square inch
Material:
Steel overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 24
Material Steel
Length 3/4

Additional Information

SKU / Model: MS1699857
NSN: 5305-00-983-6669
FSC: Screws / 5305
Product Series: MS16998
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS16998-57_Military-Fasteners-com.pdf
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MS16998-61L

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Product Image Gallery

Product code MS16998-57
MS16998-57
MS16998-57
MS16998-57
MS16998-57
MS16998-57

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Fantastic experience. I ordered the wrong part.....1 call and an RMA issued with the correct part put on the way. Impressive service. Locked me in as a customer for life!

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As always, fast and courteous service, nobody any better!! Thanks so much from a long time customer!!

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I called the customer service line just before Air Venture at Oshkosh to find out if they would have the parts I needed at their booth. The service rep on the phone was very helpful and was able to check the inventory that was taken to Oshkosh.I was told that the parts would not be available but could be shipped from the warehouse without delay. I ordered a full set of intake seals for a Continental 085 on the spot and they arrived in a few days. I am very happy with the service provided, and will be ordering more parts soon! Thank you Larry

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