303-0173
View detailed technical data, stock status, and sourcing information for: 303-0173
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A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.
0.252 inches minimum and 0.254 inches maximum inside diameter, 0.484 inches maximum distance from hole center to knob/skirt base, 0.890 inches minimum and 0.930 inches maximum width, 2 setscrew hole quantity, 0.730 inches minimum overall depth
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Inside Diameter
- 0.252 inches minimum and 0.254 inches maximum
- Setscrew Hole Quantity
- 2
- Distance From Hole Center To Knob/Skirt Base
- 0.484 inches maximum
- Overall Depth
- 0.730 inches minimum
- Width
- 0.890 inches minimum and 0.930 inches maximum
- Gripping Surface Condition
- grip aid
- Shaft Accommodation Style
- flatted one side
- Length
- 1.325 inches minimum and 1.375 inches maximum
- Skirt Style
- stepped
- Attachment Method
- setscrews
- Inside Width
- 0.222 inches minimum and 0.227 inches maximum
- Overall Thickness
- 0.980 inches minimum and 1.040 inches maximum
- Screw Drive Type
- hexagon socket
- Thread Quantity Per Inch
- 32 screw hole
- Nominal Thread Size
- 0.164 inches screw hole
- Skirt Outside Diameter
- 1.345 inches maximum
- Skirt Design
- nondetachable
- Pointer Design
- nondetachable
- Special Features
- shaft accommodation hole counterbored,0.640 in. min dia,0.320 in. min depth
- Color
- black
- Style Designator
- pointer
- Thread Series Designator
- unc screw hole
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 |
|---|---|
| 2K4B | Knob |
| 303-0173 | Knob |
| 509-5-4M | Knob |
| 5355PL0725123 | Knob |
| 90-5-2D | Knob |
| 90-5-2DG | Knob |
| 92BDMA | Knob |
| 9L4PS | Knob |
| MS91528-2K4B | Knob |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5355-00-899-9014?
Does the NSN 5355-00-899-9014 have a Schedule B code assigned?
Does NSN 5355-00-899-9014 require demilitarization?
Does NSN 5355-00-899-9014 contain precious materials?
Does NSN 5355-00-899-9014 contain hazardous materials?
When the NSN 5355-00-899-9014 was assigned to the Federal Catalog?
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