STD3061-04

Bolt

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Description:

Fastener Length: 3/8", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 9/32"

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STD3061-04 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.276 inches minimum and 0.296 inches maximum
Fastener Length:
0.375 inches nominal
Head Style:
Double hexagon w/hole
Head Height:
0.260 inches nominal
Width Between Flats:
0.243 inches minimum and 0.251 inches maximum
Extended Washer Diameter:
0.375 inches nominal
Extended Washer Thickness:
0.060 inches minimum and 0.070 inches maximum
Hole Diameter:
0.047 inches nominal
Thread Diameter:
0.250 inches
Grip Length:
0.079 inches minimum and 0.099 inches maximum
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:
24.0 rockwell c minimum overall and 35.0 rockwell c maximum overall
Minimum Yield Strength:
85000 pounds per square inch
Hole Configuration Style:
Double hexagon longitudinal hole
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 3/8

Additional Information

SKU / Model: STD306104
NSN: 5306-01-083-1580
FSC: Bolts / 5306
Product Series: STD3061
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
STD3061-04_Military-Fasteners-com.pdf
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More STD3061 machine bolts

STD3061-28

Fastener Length: 2-", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 51/64"

STD3061-26

Fastener Length: 1-3/4", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 51/64"

STD3061-16

Bolt

STD3061-15

Bolt

STD3061-13

Fastener Length: 15/16", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 13/16"

STD3061-12

Fastener Length: 7/8", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 51/64"

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I routinely use Military Fasteners and have them on our Approved Vendor List. They already understand traceability requirements and their website always seems up to date and accurate. Same day shipping is a big deal for us as well."

5.0

Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

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In this day and age, it is rare to be impressed by customer service however, Military Fasteners has far exceeded my expectations. They went above and beyond to help ensure an important package delivery on time, and they made a little boys Christmas sweeter in the process. Thank you to the team there for your wonderful help. I will certainly come back to shop again and again. They always say, fly people are the best people.

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