NAS7104-3

Close Tolerance Screw

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Description:

Fastener Length: 5/8", Thread: 1/4-28, Thread Length: 7/16

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NAS7104-3 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.400 inches minimum and 0.450 inches maximum
Fastener Length:
0.598 inches minimum and 0.628 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.456 inches minimum and 0.508 inches maximum
Grip Diameter:
0.248 inches minimum and 0.249 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Grip Length:
0.178 inches minimum and 0.198 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Material:
Steel comp e4340 overall or steel comp 8740 overall
Material Specification:
Mil-s-5000 mil spec 1st material response overall or mil-s-6049 mil spec 2nd material response overall or ams6322 assn std 2nd material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type class2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas7104 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 5/8

Additional Information

SKU / Model: NAS71043
NSN: 5305-01-264-6154
FSC: Screws / 5305
Product Series: NAS7104
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 50
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS7104-3_Military-Fasteners-com.pdf
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More NAS7104 close tolerance screws

NAS7104-8

Fastener Length: 15/16", Thread: 1/4-28, Thread Length: 27/64"

NAS7104-12

Fastener Length: 1-3/16", Thread: 10-32, Thread Length: 27/64"

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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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