NAS1580C4T12D

Close Tolerance Screw

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Description:

Fastener Length: 1-5/32", Thread: 1/4-28, Thread Length: 3/8",

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NAS1580C4T12D Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.403 inches nominal
Fastener Length:
1.138 inches minimum and 1.168 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.4640 inches minimum and 0.5066 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches minimum first hole and 0.086 inches maximum first hole
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.740 inches minimum and 0.760 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.037 inches nominal first hole
Special Features:
Torq-set recess per ms33781
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response overall or ams 5732 assn std single material response overall or ams 5737 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 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 Iron
Length 1-5/32

Additional Information

SKU / Model: NAS1580C4T12D
NSN: 5305-01-371-5142
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20
Schedule B: 7318.15.8085
ECCN: EAR99
Download PDF Version
NAS1580C4T12D_Military-Fasteners-com.pdf
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NAS1580C5T9

$3.54 EA, Fastener Length: 1-5/64in., Thread: 1/4-24, Thread Length: 1/2in.

NAS1580C5T10

Fastener Length: 1-9/64in., Thread: 1/4-24, Thread Length: 33/64in.

NAS1580C4T6

$1.38 Each, Length: 0.778in., thread: 1/4-28 shear flush head corrosion resistant steel offset cruciform

NAS1580C4T5

Length: 0.715in., thread: 1/4-28 shear flush head corrosion resistant steel offset cruciform

NAS1580C4T32

$6.00 EA, Fastener Length: 2-13/32in., Thread: 1/4-28, Thread Length: 27/64in.

NAS1580C4T3

$3.90 Each, Length: 0.590in., thread: 1/4-28 shear, flush head corrosion resistant steel offset cruciform

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