Part Number NAS1221R08-10 Machine Screw

SKU: 5305013272958

NAS1221R0810 Machine Screw Datasheet

National aerospace standards part number NAS1221R08-10

Thread Direction:

Right-hand

Thread Length:

0.339 inches

Fastener Length:

Between 0.949 inches and 0.979 inches

Head Style:

Flat countersunk

Head Diameter:

Between 0.294 inches and 0.332 inches

Internal Drive Style:

Torque-set ribbed

Thread Diameter:

0.164 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

160000 pounds per square inch

Hardness Rating:

Between 36.0 rockwell c and 40.0 rockwell c

Countersink Angle:

Between 99.0 degrees and 101.0 degrees

Screw Material:

Steel comp 4140 or steel comp 4340 or steel comp 8740

Screw Surface Treatment:

Cadmium and chromate

Screw Surface Treatment Specification:

QQ-P-416, type 2, class 2 federal specification single treatment response

Specification Data:

80205-NAS1221 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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