NSN 5305-01-341-6725
High Torque Screw
Between 0.847 inches and 0.878 inches fastener length, pan no. 2 head style, between 0.360 inches and 0.374 inches head diameter, head height: between 0.115 inches and 0.125 inches .
Manufacturer part number NAS1578A3R8L for national stock number 5305013416725.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-341-6725.
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MPN or Model
NAS1578A3R8L
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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)
096640 - Screws, Iron Or Steel -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.363 inches -
Fastener Length
Between 0.847 inches and 0.878 inches -
Head Style
Pan no. 2 -
Head Diameter
Between 0.360 inches and 0.374 inches -
Head Height
Between 0.115 inches and 0.125 inches -
Locking Feature
Patch threads or pellet threads or strip threads -
Grip Diameter
Between 0.1885 inches and 0.1895 inches -
Internal Drive Style
Torque-set ribbed -
Thread Diameter
0.190 inches -
Grip Length
Between 0.490 inches and 0.510 inches -
Thready Qty Per Inch (tpi)
32 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Hardness Rating
36.0 rockwell c fastener and 40.0 rockwell c fastener -
Surface Finish
32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads -
Material
Plastic polyamide locking featuresteel comp 4140 fastener or steel comp e4340 fastener or steel comp 8740 fastener -
Material Specification
Mil-s-5626 military specification 1st material response fastener or mil-s-5000 military specification 2nd material response fastener or mil-s-6049 military specification 3rd material response fastener -
Surface Treatment
Cadmium fastener and chromate fastener -
Surface Treatment Specification
Qq-p-416 type 2 cl 2 federal specification single treatment response fastener -
Thread Series Designator
Unjf -
Specification Data
80205-nas1578 professional/industrial association standard
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Pricing and Availability
Get a quote for 5305-01-341-6725 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1578A3R8L | National Aerospace Standards |