MS90728-17

Military Standard Hexagon Head Cap Screw

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Description:

Fastener Length: 2-3/4", Thread: 1/4-20, Thread Length: 3/4

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MS90728-17 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.750 inches minimum and 0.938 inches maximum
Fastener Length:
2.750 inches nominal
Head Height:
0.150 inches minimum and 0.163 inches maximum
Width Between Flats:
0.428 inches minimum and 0.438 inches maximum
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
20
Min. Tensile Strength (psi):
150000 pounds per square inch
Hardness Rating:
32.0 rockwell c minimum overall and 38.0 rockwell c maximum overall
Minimum Yield Strength:
120000 pounds per square inch
Material:
Steel overall
Material Specification:
Sae j429 grade 8 assn std single material response overall or astm a354 grade bd assn std single material response overall
Surface Treatment:
Zinc overall and chromate overall
Surface Treatment Specification:
Astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator:
Unc
Quick Specs
Thread Size 1/4
Thread Qty 20
Material Steel
Length 2-3/4

Additional Information

SKU / Model: MS9072817
NSN: 5305-00-071-2514
FSC: Screws / 5305
Product Series: MS90728
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS90728-17_Military-Fasteners-com.pdf
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MS90728-66

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MS90728-64

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MS90728-6

Fastener Length: 23/32in., Thread: 1/4-20, Thread Length: 19/32in.

MS90728-46

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I was looking for hard to find parts for a safety critical application. The first couple of places I tried had the part on their web page but when I tried to order it they said, sorry, they did not actually have the parts. I called Military Fasteners. Talked to an employee without delay. She looked up the part number, told me who manufactured them (important), where the company is located (very important) and shipped the parts immediately from their own inventory. Super nice, helpful, efficient and knowledgeable. They get it.

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