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Worldwide distributor of NSN parts and consumables located in the USA.

Externally Relieved Body Screw

Model / MPN: PL2784ITEM080 | NSN: 5305-01-643-5025
ITAR Registered seal

An externally threaded fastener whose threaded portion is of one diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a diameter less than the 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.

Product Details
NATO Stock Number
5305-01-643-5025
Sold in multiples of
1 EA
DEMIL
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.240 inches and 0.260 inches
Fastener Length
1.750 inches
Head Style
Fillister
Head Diameter
Between 0.389 inches and 0.414 inches
Head Height
Between 0.207 inches and 0.237 inches
Point Length
0.86 inches
Point Style
Cone
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Externally Relieved Body Diameter Quantity
1
Point Chamfer Angle
82.0 degrees
Part Name Assigned By Controlling Agency
Fillister head captive screw
Material
Steel comp 302 or steel comp 303 or steel comp 304
Surface Treatment
Passivate
Thread Series Designator
Unc

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PL2784ITEM080 Cross Reference
  • P114071FS1.750SS12