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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Parts were described exactly as received. Delivered exactly as promised. I was treated better than could have been expected. Give a 5.5 stars out of 5.

5.0

Great response time for pricing. Good turn around for order shipment!

5.0

Thanks for a super fast processing of my order. Terrific to do business with you.

5.0

Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

5.0