NSN 5305-00-639-2221
Panel Screw
0.719 inches fastener length, fillister head style, between 0.302 inches and 0.322 inches head diameter, head height: 0.094 inches .
Manufacturer part number A81-1-4947 for national stock number 5305006392221.
Datasheet
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Product description
Externally Relieved Body Screw NSN 5305-00-639-2221.
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MPN or Model
A81-1-4947
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Unit Weight (Est.)
0.5 lb -
Thread Class
2a -
Thread Direction
Right-hand -
Thread Length
0.265 inches -
Fastener Length
0.719 inches -
Head Style
Fillister -
Head Diameter
Between 0.302 inches and 0.322 inches -
Head Height
0.094 inches -
First Diameter From Head
0.152 inches -
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.094 inches -
Internal Drive Style
Slot -
Thread Diameter
0.216 inches -
Thready Qty Per Inch (tpi)
28 -
Externally Relieved Body Diameter Quantity
1 -
Material
Steel -
Surface Treatment
Cadmium or zinc -
Thread Series Designator
Unf
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An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.
![Mechanic Bill explains Panel Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-00-639-2221 externally relieved body screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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A81-1-4947 | Edgewood Chemical Biological Center |
Stock Check
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