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NAS1581A3R5

Name: NAS1581A3R5
Brand: NAS
SKU: NAS1581A3R5

Bolt

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Description

Fastener Length: 11/16", Thread: 10-32, Thread Length: 3/8"

Specifications

Countersink Angle	99.0 degrees minimum and 101.0 degrees maximum
Fastener Length	0.660 inches minimum and 0.690 inches maximum
Grip Diameter	0.1885 inches minimum and 0.1895 inches maximum
Grip Length	0.302 inches minimum and 0.322 inches maximum
Hardness Rating	36.0 rockwell c minimum and 40.0 rockwell c maximum
Head Diameter	0.258 inches minimum and 0.305 inches maximum
Head Style	Flat countersunk
Internal Drive Style	Torque-set ribbed
Length	11/16
Material	Steel
Min. Tensile Strength (psi)	160000 pounds per square inch
Specification Data	80205-nas1581 professional/industrial association standard
Surface Finish	32.0 microinches grip, 32.0 microinches threads
Surface Treatment	Cadmium and chromate
Surface Treatment Specification	Qq-p-416,type 2,class 2 fed spec single treatment response
Thread Class	3a
Thread Diameter	0.190
Thread Direction	Right-hand
Thread Length	0.338 inches minimum and 0.388 inches maximum
Thread Qty	32
Thread Qty Per Inch (tpi)	32
Thread Series Designator	UNJF
Thread Size	10

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

Interchangeable

Parts that share a National Stock Number or are listed as an alternate for NAS1581A3R5 — functionally equivalent.

NAS1581F3R5 Listed alternate #10-32 · 11/16 in · Flat countersunk · Steel

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

NAS1581K3R5 NAS #10-32 · 11/16 in · Flat countersunk · Titanium

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Catalog data updated 2026-07-05. Report a data error