MS21289-08

Military Standard Machine Bolt

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Description:

Fastener Length: 5/8", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 9/16", MS21289 series bolt

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MS21289-08
MS21289-08
MS21289-08
MS21289-08
Add to Cart Up to qty 85 ships same day if ordered before 4pm EST
MS21289-08 Price:
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$10.05 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
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MS21289-08 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.554 inches minimum and 0.625 inches maximum
Fastener Length:
0.625 inches nominal
Head Style:
Double hexagon w/hole
Head Height:
0.330 inches nominal
Width Between Flats:
0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter:
0.438 inches nominal
Extended Washer Thickness:
0.060 inches minimum and 0.070 inches maximum
Hole Diameter:
0.070 inches nominal
Thread Diameter:
0.250 inches
Hole Quantity:
4
Hole Type:
Drilled
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
130000 pounds per square inch
Hardness Rating:
248.0 brinell standard minimum overall and 341.0 brinell standard maximum overall
Minimum Yield Strength:
85000 pounds per square inch
Hole Configuration Style:
Hexagon flats
Surface Finish:
32.0 microinches threads
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Material:
Iron alloy 660 overall
Material Specification:
Ams 5735 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 5/8

Additional Information

SKU / Model: MS2128908
NSN: 5306-00-482-4598
FSC: Bolts / 5306
Product Series: MS21289
Pack Weight (Approx.) 0.084 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21289-08_Military-Fasteners-com.pdf
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More MS21289 machine bolts

MS21289-27

Fastener Length: 1-7/8", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/4"

MS21289-24

Fastener Length: 1-5/8", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/4"

MS21289-23

Fastener Length: 1-9/16", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/4"

MS21289-12

Fastener Length: 7/8", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/4"

MS21289-10

Fastener Length: 3/4", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 11/16"

MS21289-05

Fastener Length: 7/16in., Hole Diameter: 1/16in., Thread: 1/4-28, Thread Length: 7/16in.

Product Image Gallery

Product code MS21289-08
MS21289-08
MS21289-08
MS21289-08
MS21289-08

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Jasmine is great! Very kind and helpful. My parts came in EARLY and shipped the same day I ordered!

5.0

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

Always great service. Has been my first go to parts store!

4.0

I can say that Military Fasteners was able to deliver the part to me very quickly. I live in a very remote area in the Tennessee mountains and typically have to wait up to two weeks to receive deliveries. Sometimes, the delivery guys cannot find my house at all, and they have to leave my packages at the local general store. But with Military Fasteners, my packages always find my front door step and in great condition. This package arrived nearly a week earlier than expected, and that was over the New Years holiday! Great work, Military Fasteners, on your delivery service. Thanks!

4.0