NSN 5305-00-777-0528
High Torque Screw
Between 1.362 inches and 1.409 inches fastener length, flat countersunk head style, between 0.499 inches and 0.507 inches head diameter, grip diameter: between 0.2485 inches and 0.2495 inches .
Manufacturer part number 51B334-19H for national stock number 5305007770528.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-00-777-0528.
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MPN or Model
51B334-19H
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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
Between 0.290 inches and 0.357 inches -
Fastener Length
Between 1.362 inches and 1.409 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.499 inches and 0.507 inches -
Grip Diameter
Between 0.2485 inches and 0.2495 inches -
Shank Unthreaded Hole Diameter
0.076 inches first hole -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.250 inches -
Grip Length
Between 1.052 inches and 1.072 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
180000 pounds per square inch -
Countersink Angle
Between 99.5 degrees and 100.5 degrees -
Distance From Head Largest Bearing Surface To Shank Hole Center
1.236 inches first hole and 1.303 inches first hole -
Surface Finish
32.0 microinches grip -
Material
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 6150 -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response -
Thread Series Designator
Unf -
Specification Data
76823-51b334 manufacturers 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 5305-00-777-0528 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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51B334-19H | Northrop Grumman Technical Services, |
51B334-19H | Northrop Grumman Systems Corporation |