NSN 5305-01-535-1780
High Torque Screw
1.191 inches fastener length, flat countersunk head style, between 0.449 inches and 0.507 inches head diameter, grip diameter: between 0.248 inches and 0.249 inches .
Manufacturer part number NAS1154E14 for national stock number 5305015351780.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-535-1780.
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MPN or Model
NAS1154E14
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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)
093490 - Bolt/nut/screw/clips/fastener/etc -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.316 inches -
Fastener Length
1.191 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.449 inches and 0.507 inches -
Grip Diameter
Between 0.248 inches and 0.249 inches -
Shank Unthreaded Hole Diameter
0.076 inches first hole -
Internal Drive Style
Offset cruciform (torque set) -
End Application
U-2 -
Thread Diameter
0.250 inches -
Grip Length
0.875 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 -
Distance From Head Largest Bearing Surface To Shank Hole Center
1.050 inches first hole and 1.090 inches first hole -
Part Name Assigned By Controlling Agency
Flat 100 degrees head, close tolerance, short thread, offset cruciform, 160ksi -
Material
Iron alloy 660 -
Material Specification
Ams5737 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unjf
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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.
![Mechanic Bill explains High Torque Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-01-535-1780 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS1154E14 | Lockheed Martin Corporation |
NAS1154E14 | National Aerospace Standards |
Stock Check
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