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Panel Screw Assembly

Model / MPN: FT1608-6-3-5 | NSN: 5305-01-274-4481
ITAR Registered seal

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washe (s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Product Details
NATO Stock Number
5305-01-274-4481
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Fastener Length
Between 0.853 inches and 0.893 inches
Head Style
Flat chamfer
Head Diameter
Between 0.256 inches and 0.270 inches
Head Height
Between 0.087 inches and 0.097 inches
Internal Drive Style
Hexagon
Material Accommodated Thickness
Between 0.126 inches and 0.187 inches
Thread Diameter
0.138 inches
Width Across Flats
Between 0.109 inches and 0.111 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
80000 pounds per square inch
Material
Aluminum alloy 6061 stand-off
Material
Iron alloy 660 fastener
Material
Steel comp 301 primary washer
Material
Steel comp 301 secondary washer or steel comp 302 secondary washer or steel comp 302b secondary washer or steel comp 303 secondary washer or steel comp 303se secondary washer or steel comp 304 secondary washer or steel comp 304l secondary washer or steel comp 305 secondary washer or steel comp 308 secondary washer or steel comp 309 secondary washer or steel comp 309s secondary washer or steel comp 310 secondary washer or steel comp 310s secondary washer or steel comp 314 secondary washer or steel comp 316 secondary washer or steel comp 316l secondary washer or steel comp 317 secondary washer or steel comp 321 secondary washer or steel comp 347 secondary washer or steel comp 348 secondary washer or steel comp 384 secondary washer or steel comp 385 secondary washer
Material
Steel comp 302 spring
Material Specification
Ams 5731 assn standard single material response fastener or ams 5732 assn standard single material response fastener or ams 5737 assn standard single material response fastener
Material Specification
Mil-s-5059 military specification single material response primary washer
Material Specification
Qq-a-225/8 federal specification single material response stand-off
Material Specification
Qq-w-423 federal specification single material response spring
Surface Treatment
Anodize stand-off
Surface Treatment
Passivate fastener
Surface Treatment
Passivate primary washer
Surface Treatment
Passivate secondary washer
Surface Treatment
Passivate spring
Surface Treatment Specification
Mil-a-8625 type 1cl 1 military specification single treatment response stand-off
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response primary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response secondary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unc

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FT1608-6-3-5 Cross Reference
  • 583R583J80