3M46-4-19
View detailed technical data, stock status, and sourcing information for: 3M46-4-19
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
right-hand thread direction, 1.656 inches nominal fastener length, flat countersunk undercut head style, 3a thread class, 0.469 inches minimum thread 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
- 0.469 inches minimum
- Fastener Length
- 1.656 inches nominal
- Head Style
- flat countersunk undercut
- Head Diameter
- 0.501 inches minimum and 0.506 inches maximum
- Head Height
- 0.071 inches minimum and 0.073 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Features Provided
- o ring
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 100.0 degrees nominal
- Screw Material
- steel comp 4140 or steel comp 4340 or steel comp 8740
- Screw Surface Treatment
- cadmium
- Thread Series Designator
- unf
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 |
|---|---|
| 3M46-4-19 | Machine Screw |
| 54266-4-19 | Machine Screw |
| 642AS0685-5 | Machine Screw |
| HT408A-4-19 | Machine Screw |
| HT408A4-19 | Machine Screw |
| HT4UA-19 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-764-3020?
Does the NSN 5305-00-764-3020 have a Schedule B code assigned?
Does NSN 5305-00-764-3020 require demilitarization?
Does NSN 5305-00-764-3020 contain precious materials?
Does NSN 5305-00-764-3020 contain hazardous materials?
When the NSN 5305-00-764-3020 was assigned to the Federal Catalog?
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