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NAS1301C8-5

Name: NAS1301C8-5
Brand: NAS
SKU: NAS1301C8-5

Assembled Washer Screw

Description

Fastener Length: 5/16", Thread: 8-32, Thread Length: 5/16"

Fastener Length	Between 0.280 inches and 0.312 inches
Head Diameter	Between 0.306 inches and 0.322 inches
Head Height	Between 0.105 inches and 0.115 inches
Head Style	Pan Head
Internal Drive Style	Cross recess type 1
Length	5/16
Material	CRES
Material Specification	66 federal standard all material responses primary washer, Mil-s-5059 military specification 1st material response secondary washer or mil-s-5059 military specification 2nd material response secondary washer or mil-s-5059 military specification 3rd material response secondary washer or mil-s-5059 military specification 4th material response secondary washer or mil-s-6721 military specification 5th material response secondary washer or mil-s-6721 military specification 6th material response secondary washer, Qq-s-763 federal specification 1st material response fastener or mil-s-7720 military specification 2nd material response fastener or astm a582 assn standard 3rd material response fastener or astm a582 assn standard 4th material response fastener
Specification Data	80205-nas1301 professional/industrial association standard
Surface Treatment	Passivate primary, Passivate secondary
Surface Treatment Specification	Qq-p-35 federal specification single treatment response primary washer
Thread Class	2a
Thread Diameter	0.164
Thread Direction	Right-hand
Thread Length	Between 0.171 inches and 0.312 inches
Thread Qty	32
Thread Qty Per Inch (tpi)	32
Thread Series	UNC
Thread Series Designator	Unc (coarse thread)
Thread Size	8

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

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