5305-01-337-5977
Find complete technical information, availability, and procurement data for: 5305-01-337-5977
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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, 0.768 inches nominal thread length, flat countersunk undercut head style, 3a thread class, 2.064 inches minimum and 2.111 inches maximum fastener length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.768 inches nominal
- Fastener Length
- 2.064 inches minimum and 2.111 inches maximum
- Head Style
- flat countersunk undercut
- Head Diameter
- 0.966 inches minimum and 1.014 inches maximum
- Head Height
- 0.157 inches minimum and 0.160 inches maximum
- Grip Diameter
- 0.4990 inches minimum and 0.4995 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 1.302 inches minimum and 1.322 inches maximum
- Features Provided
- o ring
- Thread Quantity Per Inch
- 20
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
- Material
- rubber butadiene-acrylonitrile class nbr ringnickel alloy 718 fastener
- Material Document And Classification
- ams 5662 assn std single material response fastener
- Surface Treatment
- passivate fastener
- Thread Series Designator
- unjf
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| HT357E8-21 | Close Tolerance Screw |
FAQs
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