5305-01-216-3995
Find complete technical information, availability, and procurement data for: 5305-01-216-3995
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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.
right-hand thread direction, 1.000 inches nominal fastener length, 0.530 inches minimum and 0.630 inches maximum thread length, 2a thread class, double chamfer head style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.530 inches minimum and 0.630 inches maximum
- Fastener Length
- 1.000 inches nominal
- Head Style
- double chamfer
- Head Diameter
- 0.500 inches nominal
- Head Height
- 0.250 inches nominal
- Shoulder Diameter
- 0.375 inches nominal first shoulder
- Shoulder Length
- 0.370 inches nominal first shoulder
- Point Style
- flat
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 20
- Shoulder Shape
- round first shoulder
- Special Features
- medium straight knurl on head; 0.062 in. groove in shoulder, 0.125 in. distance from end adjointing the threads; 0.112-40unc-2b threaded hole by 0.250 in. deep in center of head
- Material
- steel comp 316 overall
- Material Document And Classification
- mil-s-5059, cond a mil spec single material response or qq-s-763, cond a fed spec single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35,ty 1,ty 2,ty 3,ty 6 fed spec single treatment response overall
- Thread Series Designator
- unc
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FAQs
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