5305-00-958-5251
Find complete technical information, availability, and procurement data for: 5305-00-958-5251
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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.
0.594 inches minimum and 0.625 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 0.292 inches minimum and 0.434 inches maximum thread length, 2a thread class
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
- 0.292 inches minimum and 0.434 inches maximum
- Fastener Length
- 0.594 inches minimum and 0.625 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.568 inches minimum and 0.635 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.312 inches
- Thread Quantity Per Inch
- 18
- Minimum Tensile Strength
- 60000 pounds per square inch
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- steel
- Screw Material Document And Classification
- 66 fed std single material response or astma108 assn std single material response
- Screw Surface Treatment
- cadmium and chromate
- Screw Surface Treatment Document And Classification
- qq-p-416,type 2 class 3 fed spec single treatment response or mil-c-81562,type 2 class 3 mil spec single treatment response
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 3 type and 2c style
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-011-4662 | No Name Available | 09/01/1983 |
| 5305-00-151-1045 | No Name Available | 09/01/2023 |
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 |
|---|---|
| 5305009585251 | Machine Screw |
| MS35190-303 | Machine Screw |
FAQs
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Does NSN 5305-00-958-5251 require demilitarization?
Does NSN 5305-00-958-5251 contain precious materials?
Does NSN 5305-00-958-5251 contain hazardous materials?
When the NSN 5305-00-958-5251 was assigned to the Federal Catalog?
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