MS21090-689

Military Standard Self Locking Screw

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Description:

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

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MS21090-689 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.469 inches minimum and 0.500 inches maximum
Fastener Length:
0.469 inches minimum and 0.500 inches maximum
Head Style:
Pan
Head Diameter:
0.716 inches minimum and 0.740 inches maximum
Head Height:
0.244 inches minimum and 0.261 inches maximum
Locking Feature:
Strip threads
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.375 inches
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
60000 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
Nondefinitive Specification/std Data:
3 type and 9c style
Quick Specs
Thread Size 3/8
Thread Qty 24
Material Steel
Length 1/2

Additional Information

SKU / Model: MS21090689
NSN: 5305-00-455-2762
FSC: Screws / 5305
Product Series: MS21090
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21090-689_Military-Fasteners-com.pdf
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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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