5305-01-338-3147
Find complete technical information, availability, and procurement data for: 5305-01-338-3147
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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.
flat countersunk head style, 1.448 inches minimum and 1.478 inches maximum fastener length, 3a thread class, 0.425 inches nominal thread length, right-hand thread direction
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
- 0.425 inches nominal
- Fastener Length
- 1.448 inches minimum and 1.478 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.465 inches minimum and 0.510 inches maximum
- Grip Diameter
- 0.2802 inches minimum and 0.2807 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.928 inches minimum and 0.948 inches maximum
- Features Provided
- cetyl alcohol lubricant
- Thread Quantity Per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 63.0 microinches bearing surface of head
- Part Name Assigned By Controlling Agency
- navy special project
- Special Features
- red dye or paint on thread end before lubrication
- Material
- titanium alloy uns r56400 overall
- Material Document And Classification
- ams 4928 assn std single material response or ams 4967 assn std single material response overall
- Surface Treatment
- phosphate overall
- Surface Treatment Document And Classification
- bac 5861,cage81205 mfr ref single treatment response overall
- 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 |
|---|---|
| BACB30MS4R15 | Close Tolerance Screw |
FAQs
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When the NSN 5305-01-338-3147 was assigned to the Federal Catalog?
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