5305-00-144-3951
Find complete technical information, availability, and procurement data for: 5305-00-144-3951
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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.
0.438 inches nominal fastener length, 0.376 inches minimum and 0.438 inches maximum thread length, 2a thread class, flat countersunk head style, 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.376 inches minimum and 0.438 inches maximum
- Fastener Length
- 0.438 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.249 inches minimum and 0.279 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 55000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- steel or steel comp 1010
- Screw Material Document And Classification
- qq-s-630 fed spec 2nd material response or qq-s-631 fed spec 2nd material response or qq-s-634 fed spec 2nd material response
- Screw Surface Treatment
- cadmium
- Screw Surface Treatment Document And Classification
- qq-p-416,ty 1,cl 3 fed spec single treatment response
- Thread Series Designator
- unc
- Departure From Cited Designator
- as modified by internal drive style and location
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-207-2626 | No Name Available | 01/01/1963 |
| 5305-00-616-6703 | No Name Available | 01/01/1960 |
| 5305-00-826-9965 | No Name Available | 01/01/1962 |
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 |
|---|---|
| 7-760-67-0005 | Machine Screw |
| AN507-632R7 | Machine Screw |
FAQs
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Does NSN 5305-00-144-3951 require demilitarization?
Does NSN 5305-00-144-3951 contain precious materials?
Does NSN 5305-00-144-3951 contain hazardous materials?
When the NSN 5305-00-144-3951 was assigned to the Federal Catalog?
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