NSN 5305-01-578-4408 Panel Screw

About this product

Between 0.632 inches and 0.675 inches fastener length, pan head style, between 0.473 inches and 0.492 inches head diameter, head height: between 0.162 inches and 0.175 inches .

Manufacturer part number ST3M560-7 for national stock number 5305015784408.

Datasheet

Product description

Externally Relieved Body Screw NSN 5305-01-578-4408.
MPN or Model

ST3M560-7
Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
NMF (National Motor Freight)
096640 - Screws, Iron Or Steel
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.470 inches and 0.500 inches
Fastener Length
Between 0.632 inches and 0.675 inches
Head Style
Pan
Head Diameter
Between 0.473 inches and 0.492 inches
Head Height
Between 0.162 inches and 0.175 inches
Internal Drive Style
Cross recess type 1
End Application
Aircraft applications
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Externally Relieved Body Diameter Quantity
1
Part Name Assigned By Controlling Agency
Screw, pan head, cres, body relieved
Material
Stainless steel
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Thread Series Designator
Unf

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Externally Relieved Body Screw

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.

Pricing and Availability

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Manufacturer Part Numbers and Alternates

MPN manufacturer part number	Registrant or Supplier
ST3M560-7	Fastener Innovation Technology, Inc.
ST3M560-7	Heartland Precision Fasteners, Inc.
ST3M560-7	Simmonds Precision Products Inc
ST3M560-7	Boeing Company, The

Stock Check

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