A91C4MA
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An item designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see handwheel. For items calibrated in units or series of divisions to denote relative positioning of devices see dial, control. Excludes:doorknob; and handle (as modified).
0.320 inches minimum counterbore depth, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.640 inches minimum counterbore diameter, 0.484 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity
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
- 0.640 inches minimum
- Counterbore Depth
- 0.320 inches minimum
- Setscrew Hole Quantity
- 2
- Distance From Hole Center To Knob/Skirt Base
- 0.484 inches maximum
- Overall Depth
- 0.730 inches minimum
- Gripping Surface Condition
- grip aid
- Shaft Accommodation Style
- counterbored
- Outside Diameter
- 0.890 inches minimum and 0.930 inches maximum
- Skirt Style
- flared
- Reference Marking
- arrow
- 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
- 1.525 inches maximum
- Skirt Design
- nondetachable
- Special Features
- tactile form -intensity,0.792 in. min dia,0.832 max dia,0.413 in. min thickneww,0463 in. max tickness
- Style Designator
- round with triangular 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 |
|---|---|
| 2F2B1 | Knob |
| 509-3WA-2M-1 | Knob |
| 90-3-2G-1 | Knob |
| 99-3WL-2G-1 | Knob |
| A91C4MA | Knob |
| KMS9F2L1 | Knob |
| MS91528-2F2B1 | Knob |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5355-00-070-2100?
Does the NSN 5355-00-070-2100 have a Schedule B code assigned?
Does NSN 5355-00-070-2100 require demilitarization?
Does NSN 5355-00-070-2100 contain precious materials?
Does NSN 5355-00-070-2100 contain hazardous materials?
When the NSN 5355-00-070-2100 was assigned to the Federal Catalog?
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