Secure Ordering: +1 (757) 528-8028

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

Externally Relieved Body Screw

Model / MPN: E519081-1F1 | NSN: 5305-01-455-7800
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
Sold in multiples of
Thread Class
Thread Direction
Thread Length
Between 0.270 inches and 0.310 inches
Fastener Length
0.750 inches
Head Style
Flat countersunk
Head Diameter
Between 0.238 inches and 0.279 inches
First Diameter From Head
0.095 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.719 inches and 0.723 inches
Internal Drive Style
Cross recess type ii
End Application
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
Countersink Angle
100.0 degrees
Externally Relieved Body Diameter Quantity
Part Name Assigned By Controlling Agency
Captive screw
Stainless steel
Surface Treatment
Thread Series Designator
E519081 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Email Address:
Phone Number:
Your name:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping
E519081-1F1 Cross Reference