5305-00-958-5248
Find complete technical information, availability, and procurement data for: 5305-00-958-5248
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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.
flat countersunk head style, 1.438 inches minimum and 1.500 inches maximum fastener length, right-hand thread direction, 2a thread class, 1.185 inches minimum and 1.347 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
- 1.185 inches minimum and 1.347 inches maximum
- Fastener Length
- 1.438 inches minimum and 1.500 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.452 inches minimum and 0.507 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 60000 pounds per square inch
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Surface Treatment
- cadmium or zinc
- Screw Surface Treatment Document And Classification
- sae/ams qq-p-416 ty2cl3 fed spec single treatment response or astm-b633 ty2cl3 assn std single treatment response
- Special Features
- screwmaterial - steel,carbon
- 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-297-8218 | Machine Screw | 07/01/2025 |
| 5305-00-584-5422 | No Name Available | 06/29/2023 |
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 |
|---|---|
| 5305009585248 | Machine Screw |
| FF-S-92 TY3ST2C | Machine Screw |
| MS35190-293 | Machine Screw |
FAQs
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When the NSN 5305-00-958-5248 was assigned to the Federal Catalog?
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