NSN 5305-00-051-4557
Self-tapping Screw
About this product
0.500 inches fastener length, flat countersunk head style, between 0.257 inches and 0.279 inches head diameter, internal drive style: cross recess type 1.
Manufacturer part number AN531-6RF8 for national stock number 5305000514557.
Datasheet
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Product description
Tapping Screw NSN 5305-00-051-4557.
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MPN or Model
AN531-6RF8
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Schedule B
7318.14.0000 (Self-tapping screws of iron or steel) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Fastener Length
0.500 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.257 inches and 0.279 inches -
Internal Drive Style
Cross recess type 1 -
Features Provided
Casehardened -
Nonmachine Thread Style
Wide flute (type h or bt) -
Countersink Angle
Between 80.0 degrees and 82.0 degrees -
Nonmachine Thread Diameter
0.138 inches -
Material
Steel -
Surface Treatment
Cadmium -
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
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Tapping Screw
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.
![Mechanic Bill explains Self-tapping Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-00-051-4557 tapping screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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AN531-6RF8 | Aeronautical Standards Group |
Stock Check
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