C7521-4-7

Bolt

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Description:

Fastener Length: 13/16", Thread: 1/4-28, Thread Length: "

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C7521-4-7 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.370 inches nominal
Fastener Length:
0.798 inches minimum and 0.818 inches maximum
Head Style:
Spline drive shear head
Head Height:
0.164 inches nominal
Grip Diameter:
0.2483 inches minimum and 0.2492 inches maximum
Single Shear Strength:
132000 pounds per square inch
Head Minor Diameter:
0.531 inches nominal
Thread Diameter:
0.250 inches
Grip Length:
0.428 inches minimum and 0.448 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
220000 pounds per square inch
Material:
Steel corrosion resisting overall
Material Specification:
Ams 6487 assn std single material response overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Nas 672 assn std single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Stainless Steel
Length 13/16

Additional Information

SKU / Model: C752147
NSN: 5306-01-054-3406
FSC: Bolts / 5306
Product Series: C7521
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
C7521-4-7_Military-Fasteners-com.pdf
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More C7521 machine bolts

C7521-5-10

Fastener Length: 1-1/16", Thread: 1/4-24, Thread Length: 7/16"

C7521-4-8

Fastener Length: 7/8", Thread: 1/4-28, Thread Length: "

C7521-3-9

Fastener Length: 57/64", Thread: 10-32, Thread Length: 5/16"

C7521-3-8

Fastener Length: 53/64", Thread: 10-32, Thread Length: 5/16"

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Customer Reviews

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I placed this order late at 4:15 over the phone, 15 minutes past the cut off time.(Which rarely happens) It was critical for us to get the sparkplugs as a customer had called me and scheduled to bring his plane in the next day to have all his plugs replaced. My sales agent said she would personally go and pull the product so it would ship that day, and she did what she said. She saved me the embarrassment of telling my customer I forgot to order his parts on time and making him reschedule a maintenance visit. I am thankful you have people like her who really care about the customer and want to put in the extra effort for customer service. In my aircraft maintenance business I purchase everything I can first from Military Fasteners before I go looking for other venders. I use Military Fasteners because of the great customer service, free shipping (which is one day ground), large selection on hardware and materials, and competitive prices. I am a loyal customer and I order 2-3+ times a week. Thank you for the great service that your people provide at Military Fasteners.

5.0

I recently had the pleasure of working with Military Fasteners and I couldn't be more satisfied with the experience. Trisha Hawkins provided exceptional customer service and went above and beyond to ensure I found exactly what I needed. The quality of the fasteners is top-notch and the delivery was prompt. I highly recommend Military Fasteners for their outstanding products and excellent service. Thank you, Trisha, for making the process so smooth and efficient!

5.0

Very fast delivery and always getting what I ordered. Never had an issue with the few returns I've had. They have been very friendly and helpful.

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.

5.0