S4-40X3-4LG
View detailed technical data, stock status, and sourcing information for: S4-40X3-4LG
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An item of various cross-sectional shapes which may be of solid or hollow construction. It is specifically designed for attachment to a lever(s) and/or control(s) to actuate various remote mechanisms. It is one of the following: (1) a one-piece item with or without eyes and/or holes in each end which may have bushings or bearings pressed in the eyes; (2) a one-piece item with both ends processed for terminations, excluding threaded end(s); (3) a two-piece construction type item consisting of a body with both ends processed for terminations and a single end attachment; or (4) a three-piece construction type item consisting of a body and two end attachments. Excludes:internal combustion engine type piston connecting rods; drag link, steering; link, anchor, brake shoe; tie rod, steering; and turnbuckle. For cylindrical shaped externally threaded items without end attachments, see rod, threaded end and stud (as modified).
2a thread class, 0.750 inches minimum thread length, pan head style, right-hand thread direction, 0.750 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.750 inches minimum
- Fastener Length
- 0.750 inches nominal
- Head Style
- pan
- Head Diameter
- 0.220 inches nominal
- Head Height
- 0.069 inches nominal
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.112 inches
- Features Provided
- o ring
- Thread Quantity Per Inch
- 40
- Screw Material
- steel corrosion resisting
- Screw Surface Treatment
- passivate
- 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-799-6074 | No Name Available | 10/01/1991 |
| 5305-00-978-6719 | No Name Available | 07/07/1969 |
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 |
|---|---|
| 4-40NC2AX3-4 | Machine Screw |
| 408917-14 | Machine Screw |
| 58A5A308-39 | Machine Screw |
| 8558351-116 | Machine Screw |
| HT04S40S12 | Machine Screw |
| S4-40X3-4 | Machine Screw |
| S4-40X3-4LG | Machine Screw |
| SEELSKREWS4-40X3-4 | Machine Screw |
| SS0440AA12 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-939-9250?
Does the NSN 5305-00-939-9250 have a Schedule B code assigned?
Does NSN 5305-00-939-9250 require demilitarization?
Does NSN 5305-00-939-9250 contain precious materials?
Does NSN 5305-00-939-9250 contain hazardous materials?
When the NSN 5305-00-939-9250 was assigned to the Federal Catalog?
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