E121B44MA
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A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes:carbon composition type resistors.
0.252 inches minimum and 0.254 inches maximum inside diameter, 0.427 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity, 0.750 inches minimum counterbore diameter, 0.250 inches minimum counterbore 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
- Counterbore Diameter
- 0.750 inches minimum
- Counterbore Depth
- 0.250 inches minimum
- Setscrew Hole Quantity
- 2
- Distance From Hole Center To Knob/Skirt Base
- 0.427 inches maximum
- Overall Depth
- 0.605 inches minimum
- Gripping Surface Condition
- grip aid
- Shaft Accommodation Style
- counterbored
- Outside Diameter
- 1.240 inches minimum and 1.280 inches maximum
- Length
- 1.240 inches minimum and 1.280 inches maximum
- Skirt Style
- stepped
- Attachment Method
- setscrews
- Overall Thickness
- 1.325 inches minimum and 1.425 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
- 1.185 inches maximum
- Skirt Design
- nondetachable
- Special Features
- tactile form-focus,0.610 in. min dia,0.650 in. max dia,0.320 in. min thickness,0.370 in. max thickness
- Style Designator
- round with cross face
- 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 |
|---|---|
| 1023285-4 | Knob |
| 125-2-2G-5 | Knob |
| 3D2B5 | Knob |
| 512-2-2M-5 | Knob |
| E121B44MA | Knob |
| KMS12D2L5 | Knob |
| MS91528-3D2B5 | Knob |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5355-00-647-0867?
Does the NSN 5355-00-647-0867 have a Schedule B code assigned?
Does NSN 5355-00-647-0867 require demilitarization?
Does NSN 5355-00-647-0867 contain precious materials?
Does NSN 5355-00-647-0867 contain hazardous materials?
When the NSN 5355-00-647-0867 was assigned to the Federal Catalog?
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