129309
View detailed technical data, stock status, and sourcing information for: 129309
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An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).
0.250 inches minimum thread length, 3a thread class, right-hand thread direction, flat chamfer head style, 0.406 inches nominal fastener 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.250 inches minimum
- Fastener Length
- 0.406 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.250 inches nominal
- Head Height
- 0.062 inches nominal
- Shoulder Diameter
- 0.188 inches minimum first shoulder
- Shoulder Length
- 0.094 inches nominal first shoulder
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity Per Inch
- 40
- Shoulder Shape
- round first shoulder
- Material
- steel overall
- Surface Treatment
- nickel overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-316-9606 | No Name Available | 01/01/1963 |
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 |
|---|---|
| 129309 | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-527-3877?
Does the NSN 5305-00-527-3877 have a Schedule B code assigned?
Does NSN 5305-00-527-3877 require demilitarization?
Does NSN 5305-00-527-3877 contain precious materials?
Does NSN 5305-00-527-3877 contain hazardous materials?
When the NSN 5305-00-527-3877 was assigned to the Federal Catalog?
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Pricing
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