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Close Tolerance Screw
Model NAS7605A27
Quick Information about NAS7605A27
3a thread class, right-hand , 0.438 inches thread length, 2.111 inches fastener length, flat countersunk head style, 0.575 inches head diameter
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Product Details
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NSN:5305-01-613-7580 (5305016137580)
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Thread Direction:Right-hand
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Thread Length:0.438 inches
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Fastener Length:Between 2.111 inches and 2.141 inches
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Head Style:Flat countersunk
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Head Diameter:Between 0.575 inches and 0.635 inches
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Grip Diameter:Between 0.311 inches and 0.312 inches
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Internal Style:Cross recess type 1
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End Application:Kc-135 acft
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Thread Diameter:0.312 inches
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Grip Length:Between 1.678 inches and 1.698 inches
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Thready (tpi):24
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Min. (psi):160000 pounds per square inch
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Countersink Angle:Between 99.0 degrees and 101.0 degrees
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Schedule B Code:8108908000
Classification
Other wrought titanium, nesoi
Definition Close Tolerance Screw
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.
Part Identification
Part Materials
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