Part Number NAS1580C4T12D Close Tolerance Screw

SKU: 5305013715142

Torq-set recess per MS33781

NAS1580C4T12D Close Tolerance Screw Datasheet

National aerospace standards part number NAS1580C4T12D

Thread Direction:

Right-hand

Thread Length:

0.403 inches

Fastener Length:

Between 1.138 inches and 1.168 inches

Head Style:

Flat countersunk

Head Diameter:

Between 0.4640 inches and 0.5066 inches

Grip Diameter:

Between 0.2490 inches and 0.2495 inches

Shank Unthreaded Hole Diameter:

0.076 inches first hole and 0.086 inches first hole

Internal Drive Style:

Offset cruciform (torque set)

Thread Diameter:

0.250 inches

Grip Length:

Between 0.740 inches and 0.760 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

160000 pounds per square inch

Countersink Angle:

Between 99.0 degrees and 101.0 degrees

Distance From Head Largest Bearing Surface To Shank Hole Center:

1.037 inches first hole

Material Specification:

Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response

Surface Treatment Specification:

QQ-P-35 federal specification single treatment response

Specification Data:

80205-NAS1580 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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