5305-00-958-5252
Find complete technical information, availability, and procurement data for: 5305-00-958-5252
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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.
0.417 inches minimum and 0.559 inches maximum thread length, flat countersunk head style, 0.719 inches minimum and 0.750 inches maximum fastener length, right-hand thread direction, 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
- 0.417 inches minimum and 0.559 inches maximum
- Fastener Length
- 0.719 inches minimum and 0.750 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-297-8245 | Machine Screw | 07/01/2025 |
| 5305-00-955-5258 | No Name Available | 11/10/1969 |
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 |
|---|---|
| L-8822-1 | Machine Screw |
| MS35190-304 | Machine Screw |
FAQs
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When the NSN 5305-00-958-5252 was assigned to the Federal Catalog?
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