F220-428-3
View detailed technical data, stock status, and sourcing information for: F220-428-3
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A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.
0.270 inches minimum and 0.290 inches maximum thread length, knurled no. 4 head style, right-hand thread direction, 2a thread class, 1.015 inches minimum 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
- 0.270 inches minimum and 0.290 inches maximum
- Fastener Length
- 1.015 inches minimum
- Head Style
- knurled no. 4
- Head Diameter
- 0.188 inches minimum and 0.203 inches maximum
- Head Height
- 0.054 inches minimum and 0.074 inches maximum
- Internal Drive Style
- slot
- Material Accommodated Thickness
- 0.055 inches nominal
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Material
- copper spring
- Material
- steel corrosion resisting fastener
- Material
- steel corrosion resisting stand-off
- Surface Treatment
- chromate and cadmium spring
- Surface Treatment
- passivate fastener
- Surface Treatment
- passivate stand-off
- Thread Series Designator
- unf
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 |
|---|---|
| 2836135-11 | Panel Screw Assembly |
| F220-428-3 | Panel Screw Assembly |
FAQs
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What is the FSCG of the NSN 5305-01-429-3724?
Does the NSN 5305-01-429-3724 have a Schedule B code assigned?
Does NSN 5305-01-429-3724 require demilitarization?
Does NSN 5305-01-429-3724 contain precious materials?
Does NSN 5305-01-429-3724 contain hazardous materials?
When the NSN 5305-01-429-3724 was assigned to the Federal Catalog?
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