5305-00-151-2343
Find complete technical information, availability, and procurement data for: 5305-00-151-2343
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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, 0.500 inches nominal fastener length, 2a thread class, flat countersunk head style, 0.450 inches minimum and 0.500 inches maximum 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.450 inches minimum and 0.500 inches maximum
- Fastener Length
- 0.500 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.225 inches minimum and 0.252 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.125 inches
- Thread Quantity Per Inch
- 40
- Minimum Tensile Strength
- 55000 pounds per square inch
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- copper alloy
- Screw Material Document And Classification
- qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-290-3223 | Machine Screw | 07/01/2025 |
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 |
|---|---|
| AN505B5R8 | Machine Screw |
FAQs
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Does NSN 5305-00-151-2343 contain precious materials?
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When the NSN 5305-00-151-2343 was assigned to the Federal Catalog?
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