NAS1580A4R4

Close Tolerance Bolt

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Description:

Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 3/8

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NAS1580A4R4 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.403 inches maximum
Fastener Length:
0.638 inches minimum and 0.668 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.464 inches minimum and 0.507 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Torque-set ribbed
Thread Diameter:
0.250 inches
Grip Length:
0.240 inches minimum and 0.260 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 4140 overall or steel comp 4340 overall or steel comp 8735 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-5000 mil spec 2nd material response overall or mil-s-6049 mil spec 3rd material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2 cl 2 fed spec single treatment response 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 21/32

Additional Information

SKU / Model: NAS1580A4R4
NSN: 5305-01-175-7587
FSC: Screws / 5305
Product Series: NAS1580A4R
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1580A4R4_Military-Fasteners-com.pdf
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More NAS1580A4R close tolerance bolts

NAS1580A4R9

Fastener Length: 31/32", Thread: 1/4-28, Thread Length: 27/64"

NAS1580A4R8

Fastener Length: 29/32", Thread: 1/4-28, Thread Length: 27/64"

NAS1580A4R7

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

NAS1580A4R6

Fastener Length: 25/32in., Thread: 1/4-28, Thread Length: 3/8in.

NAS1580A4R5

Fastener Length: 23/32in., Thread: 1/4-28, Thread Length: 27/64in.

NAS1580A4R34D

Fastener Length: 3/8", Thread: 1/4-28, Thread Length: 3/8"

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