NSN 5305-01-209-7939
Panel Assembly Fastener
Between 0.910 inches and 0.940 inches fastener length, flat countersunk head style, between 0.464 inches and 0.504 inches head diameter, shoulder diameter: 0.2802 inches and 0.2807 inches first shoulder.
Manufacturer part number NAS1790V4-8Y for national stock number 5305012097939.
Datasheet
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Product description
Shoulder Screw NSN 5305-01-209-7939.
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MPN or Model
NAS1790V4-8Y
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Schedule B
8109.90.0000 (Zirconium and articles thereof nesoi) -
NMF (National Motor Freight)
136500 - Metal NOI/metal Alloys NOI -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.400 inches and 0.450 inches -
Fastener Length
Between 0.910 inches and 0.940 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.464 inches and 0.504 inches -
Shoulder Diameter
0.2802 inches and 0.2807 inches first shoulder -
Shoulder Length
0.395 inches and 0.415 inches first shoulder -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Shoulder Shape
Round first shoulder -
Material
Titanium alloy -
Material Specification
Ams4928 assn standard single material response or ams4967, comp 6al-4v assn standard single material response -
Thread Series Designator
Unjf -
Specification Data
80205-nas1790 professional/industrial association standard
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.
Pricing and Availability
Get a quote for 5305-01-209-7939 shoulder screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1790V4-8Y | National Aerospace Standards |
NAS1790V4-08Y | National Aerospace Standards |