137371-2
View detailed technical data, stock status, and sourcing information for: 137371-2
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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.
3a thread class, oval head style, right-hand thread direction, 0.343 inches minimum thread length, 1.155 inches nominal 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
- 0.343 inches minimum
- Fastener Length
- 1.155 inches nominal
- Head Style
- oval
- Head Diameter
- 0.500 inches nominal
- Head Height
- 0.093 inches nominal
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 33.0 rockwell c minimum and 37.0 rockwell c maximum
- Screw Material
- steel comp e4340 or steel comp 4340
- 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 |
|---|---|
| 137371-2 | Machine Screw |
FAQs
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When the NSN 5305-00-098-4749 was assigned to the Federal Catalog?
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