Part Number NAS1581C6T11 Close Tolerance Screw

SKU: 5305012252612

NAS1581C6T11 Close Tolerance Screw Datasheet

National aerospace standards part number NAS1581C6T11

Thread Direction:

Right-hand

Thread Length:

Between 0.569 inches and 0.619 inches

Fastener Length:

Between 1.267 inches and 1.297 inches

Head Style:

Flat countersunk

Head Diameter:

Between 0.5149 inches and 0.5662 inches

Grip Diameter:

Between 0.3735 inches and 0.3745 inches

Internal Drive Style:

Offset cruciform (torque set)

Thread Diameter:

0.375 inches

Grip Length:

Between 0.678 inches and 0.698 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

160000 pounds per square inch

Hardness Rating:

36.0 rockwell c and 40.0 rockwell c

Countersink Angle:

Between 99.0 degrees and 100.0 degrees

Surface Finish:

32.0 microinches grip

Surface Finish:

32.0 microinches threads

Material Specification:

AMS5731 assn standard single material response or AMS5732 assn standard single material response or AMS5737 assn standard single material response

Surface Treatment Specification:

QQ-P-35 federal specification single treatment response

Specification Data:

80205-NAS1581 professional/industrial association standard

Manufacturer Cage:

80205

Trade Information:

Bolts and bolts and their nuts or washers exported in the same shipment

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