NSN 5305-01-642-2328
High Torque Screw
Between 1.258 inches and 1.278 inches fastener length, flat fillister head style, between 0.221 inches and 0.226 inches head diameter, head height: between 0.074 inches and 0.086 inches .
Manufacturer part number NAS1121-16 for national stock number 5305016422328.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-642-2328.
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MPN or Model
NAS1121-16
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.276 inches -
Fastener Length
Between 1.258 inches and 1.278 inches -
Head Style
Flat fillister -
Head Diameter
Between 0.221 inches and 0.226 inches -
Head Height
Between 0.074 inches and 0.086 inches -
Grip Diameter
Between 0.1365 inches and 0.1375 inches -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.138 inches -
Grip Length
Between 0.992 inches and 1.002 inches -
Thready Qty Per Inch (tpi)
32 -
Material
Steel -
Surface Treatment
Cadmium -
Surface Treatment Specification
Qq-p-416, type ii, class 2 federal specification single treatment response -
Thread Series Designator
Unjc
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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 5305-01-642-2328 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1121-16 | National Aerospace Standards |