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NAS1301C8-5 Assembled Washer Screw

NSN: 5305-01-088-7421
Product Series: NAS
ECCN: EAR99
Schedule: 7318.22.0000

Unit of Measure: EA

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Head Style

Pan

Material

Steel comp 301 secondary washer or steel comp 302 secondary washer or steel comp 304 secondary washer or steel comp 316 secondary washer or steel comp 347 secondary washer or steel comp 348 secondary washer

Surface Treatment

Qq-p-35 federal specification single treatment response primary washer

Thread Class

Fastener Length: Between 0.280 inches and 0.312 inches
Head Height: Between 0.105 inches and 0.115 inches
Internal Drive Style: Cross recess type 1
Material Specification: 66 federal standard all material responses primary washer
Primary Washer Material Thickness: Between 0.040 inches and 0.046 inches
Primary Washer Outside Diameter: 0.293 inches
Primary Washer Style: Split helical ring
Secondary Washer Material Thickness: Between 0.013 inches and 0.019 inches
Secondary Washer Outside Diameter: Between 0.307 inches and 0.317 inches
Secondary Washer Relationship To Primary Washer: Not identical
Secondary Washer Style: Flat
Specification Data: 80205-nas1301 professional/industrial association standard
Thread Diameter: 0.164 inches
Thread Direction: Right-hand
Thread Length: Between 0.171 inches and 0.312 inches
Thread Qty Per Inch (tpi): 32
Thread Series Designator: Unc (coarse thread)
Washer Quantity: 2
Head Diameter: Between 0.306 inches and 0.322 inches