2155W
View detailed technical data, stock status, and sourcing information for: 2155W
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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.
flat chamfer head style, 2.860 inches minimum and 3.000 inches maximum thread length, 2a thread class, right-hand thread direction, 3.000 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
- 2.860 inches minimum and 3.000 inches maximum
- Fastener Length
- 3.000 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.365 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.188 inches nominal
- Thread Quantity Per Inch
- 20
- Material
- steel overall
- Material Document And Classification
- sae grade 8 assn std single material response overall
- Surface Treatment
- zinc or cadmium overall
- Thread Series Designator
- unc
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 |
|---|---|
| 2155W | Socket Head Cap Screw |
| 703-2298086 PIECE 11 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-309-1521?
Does the NSN 5305-01-309-1521 have a Schedule B code assigned?
Does NSN 5305-01-309-1521 require demilitarization?
Does NSN 5305-01-309-1521 contain precious materials?
Does NSN 5305-01-309-1521 contain hazardous materials?
When the NSN 5305-01-309-1521 was assigned to the Federal Catalog?
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