NAS1580A4T27

Bolt

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Description:

Fastener Length: 2-3/32", Thread: 1/4-28, Thread Length: 27/64"

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NAS1580A4T27 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.307 inches minimum and 0.428 inches maximum
Fastener Length:
2.076 inches minimum and 2.106 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.464 inches minimum and 0.507 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
1.678 inches minimum and 1.698 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
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
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 or steel comp 4340 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2 class 2 fed spec all treatment responses overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1580 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 2-3/32

Additional Information

SKU / Model: NAS1580A4T27
NSN: 5305-01-130-9477
FSC: Screws / 5305
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
NAS1580A4T27_Military-Fasteners-com.pdf
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NAS1580A6T5

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