642AS7549-2

Screw

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Description:

Fastener Length: 5/16", Thread: 6-32, Thread Length: 7/32"

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642AS7549-2 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.136 inches minimum and 0.229 inches maximum
Fastener Length:
0.281 inches minimum and 0.312 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.244 inches minimum and 0.279 inches maximum
Locking Feature:
Strip threads
Internal Drive Style:
Slot
Thread Diameter:
0.138 inches
Thready Qty Per Inch (tpi):
32
Hardness Rating:
36.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Countersink Angle:
82.0 degrees nominal
Material:
Plastic locking feature
Material:
Steel comp 4130 fastener
Material Specification:
Mil-s-6758 mil spec single material response fastener
Surface Treatment:
Cadmium fastener
Surface Treatment Specification:
Qq-p-416,ty 2 cl 1 fed spec single treatment response fastener
Thread Series Designator:
Unc
Quick Specs
Thread Size 6
Thread Qty 32
Material Steel
Length 5/16

Additional Information

SKU / Model: 642AS75492
NSN: 5305-01-081-0739
FSC: Screws / 5305
Product Series: 642AS7549
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
642AS7549-2_Military-Fasteners-com.pdf
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Trisha Hawkins is extremely helpful and answered every question I had thoroughly. I appreciate her great help in a stressful situation to obtain hardware ASAP.

5.0

You had what I needed and I had it in 2 days.I always look to military fasteners 1st when I need anything for my airplane.

5.0

Great service. Product was exactly as ordered and was delivered in a timely manner. Great service and I will shop here again.

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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