122A049021
View detailed technical data, stock status, and sourcing information for: 122A049021
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A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
0.026 inches minimum counterbore depth, 2 setscrew hole quantity, 0.127 inches minimum and 0.129 inches maximum inside diameter, 0.187 inches maximum distance from hole center to knob/skirt base, 0.485 inches minimum counterbore diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Inside Diameter
- 0.127 inches minimum and 0.129 inches maximum
- Counterbore Diameter
- 0.485 inches minimum
- Counterbore Depth
- 0.026 inches minimum
- Setscrew Hole Quantity
- 2
- Distance From Hole Center To Knob/Skirt Base
- 0.187 inches maximum
- Overall Depth
- 0.405 inches minimum
- Gripping Surface Condition
- grip aid
- Shaft Accommodation Style
- counterbored
- Outside Diameter
- 0.690 inches minimum and 0.730 inches maximum
- Reference Marking
- dot
- Attachment Method
- setscrews
- Overall Thickness
- 0.580 inches minimum and 0.640 inches maximum
- Screw Drive Type
- hexagon socket
- Thread Quantity Per Inch
- 40 screw hole
- Nominal Thread Size
- 0.112 inches screw hole
- Color
- black
- Style Designator
- round
- Thread Series Designator
- unc screw hole
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5355-00-237-8188 | No Name Available | 08/01/1998 |
| 5355-00-240-1093 | No Name Available | 11/07/1973 |
| 5355-01-030-1883 | No Name Available | 01/01/1985 |
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 |
|---|---|
| 0N364258-1 | Knob |
| 122A049021 | Knob |
| 222728-105 | Knob |
| 281-0173-150 | Knob |
| 507-1WD-1M | Knob |
| 70-1WD1G | Knob |
| 70-1WDIG | Knob |
| 71A2MA/WD | Knob |
| 7L1RWD | Knob |
| H1298 | Knob |
| MS1528-1C1B | Knob |
| MS91528-1C1B | Knob |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5355-00-958-9986?
Does the NSN 5355-00-958-9986 have a Schedule B code assigned?
Does NSN 5355-00-958-9986 require demilitarization?
Does NSN 5355-00-958-9986 contain precious materials?
Does NSN 5355-00-958-9986 contain hazardous materials?
When the NSN 5355-00-958-9986 was assigned to the Federal Catalog?
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Pricing
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