NAS1581K3R4

Close Tolerance Bolt

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Description:

Fastener Length: 5/8", Thread: 10-32, Thread Length: 3/8

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NAS1581K3R4 Features and Specification

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.338 inches minimum and 0.388 inches maximum

Fastener Length:

0.598 inches minimum and 0.628 inches maximum

Head Style:

Flat countersunk

Head Diameter:

0.2578 inches minimum and 0.3047 inches maximum

Grip Diameter:

0.1890 inches minimum and 0.1895 inches maximum

Internal Drive Style:

Offset cruciform (torque set)

Thread Diameter:

0.190 inches

Grip Length:

0.240 inches minimum and 0.260 inches maximum

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

160000 pounds per square inch

Countersink Angle:

99.0 degrees minimum and 101.0 degrees maximum

Surface Finish:

32.0 microinches grip

Surface Finish:

32.0 microinches threads

Material:

Titanium alloy overall

Material Specification:

Ams 4967 6al-4v assn std single material response overall

Thread Series Designator:

Unjf

Specification Data:

80205-1581 professional/industrial association standard

Additional Information

SKU / Model:	NAS1581K3R4
Minimum Qty (MOQ):	10
NSN:	5305-01-182-7622
FSC:	Screws / 5305
Schedule B:	8108.90.3060
ECCN:	EAR99
National Motor Freight:	136500, Metal Noi / Metal Alloys Noi
Download PDF Version NAS1581K3R4_Military-Fasteners-com.pdf