NAS1207-21

Screw

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Description:

Fastener Length: 1-49/64", Thread: 7/16-20, Thread Length: 15/32"

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NAS1207-21 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.428 inches minimum and 0.478 inches maximum
Fastener Length:
1.750 inches minimum and 1.780 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.832 inches minimum and 0.890 inches maximum
Grip Diameter:
0.4360 inches minimum and 0.4370 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.438 inches
Grip Length:
1.302 inches minimum and 1.322 inches maximum
Thready Qty Per Inch (tpi):
20
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 4140 overall or steel comp 8740 overall or steel comp 8735 overall or steel comp 6150 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1207 professional/industrial association standard
Quick Specs
Thread Size 7/16
Thread Qty 20
Material Steel
Length 1-49/64

Additional Information

SKU / Model: NAS120721
NSN: 5305-00-816-5741
FSC: Screws / 5305
Product Series: NAS1207
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093490, Bolt / Nut / Screw / Clips / Fastener / Etc
Download PDF Version
NAS1207-21_Military-Fasteners-com.pdf
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More NAS1207 close tolerance screws

NAS1207-9

Thread: 1/2-20, Thread Length: 1/2"

NAS1207-48

Fastener Length: 3-29/64", Thread: 3/8-20, Thread Length: 15/32"

NAS1207-22

Fastener Length: 1-53/64", Thread: 3/8-20, Thread Length: 15/32"

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Trisha Hawkins is the best! Very helpful!

5.0

Dependable! I KNOW that my orders with military fasteners will go out the same day and that the rare backorder will be shipped without my having to follow up.

5.0

I placed the order on a Sat, and on Sun wanted to add something, sent email, got quick response and they added item and got the order in 3 days. AWESOME SERVICE

5.0

Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

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