NSN 5305-01-276-1643
Panel Assembly Fastener
Between 0.950 inches and 0.980 inches fastener length, flat countersunk head style, between 0.464 inches and 0.507 inches head diameter, shoulder diameter: 0.2641 inches first shoulder and 0.2651 inches first shoulder.
Manufacturer part number NAS1580A4T9X for national stock number 5305012761643.
Datasheet
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Product description
Shoulder Screw NSN 5305-01-276-1643.
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MPN or Model
NAS1580A4T9X
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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.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.378 inches and 0.428 inches -
Fastener Length
Between 0.950 inches and 0.980 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.464 inches and 0.507 inches -
Shoulder Diameter
0.2641 inches first shoulder and 0.2651 inches first shoulder -
Shoulder Length
0.552 inches first shoulder and 0.572 inches first shoulder -
Internal Drive Style
Offset cruciform (torque set) -
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
Steel comp 4140 or steel comp e4340 or steel comp 8740 -
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416 type 2 cl 2 federal specification single treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas1580 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 5305-01-276-1643 shoulder screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1580A4T9X | National Aerospace Standards |