51A1-25MA
View detailed technical data, stock status, and sourcing information for: 51A1-25MA
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A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.
0.158 inches maximum distance from hole center to knob/skirt base, 0.435 inches minimum counterbore diameter, 0.078 inches nominal inside diameter, 0.026 inches minimum counterbore depth, 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
- 0.078 inches nominal
- Counterbore Diameter
- 0.435 inches minimum
- Counterbore Depth
- 0.026 inches minimum
- Setscrew Hole Quantity
- 2
- Distance From Hole Center To Knob/Skirt Base
- 0.158 inches maximum
- Overall Depth
- 0.405 inches minimum
- Gripping Surface Condition
- grip aid
- Shaft Accommodation Style
- counterbored
- Outside Diameter
- 0.490 inches minimum and 0.530 inches maximum
- Attachment Method
- setscrews
- Overall Thickness
- 0.480 inches minimum and 0.540 inches maximum
- Screw Drive Type
- hexagon socket
- Thread Quantity Per Inch
- 40 screw hole
- Nominal Thread Size
- 0.112 inches screw hole
- Color
- black
- Material
- plastic
- Style Designator
- round
- 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 |
|---|---|
| 22850-001 | Knob |
| 27-00075-1 | Knob |
| 51A1-25MA | Knob |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5355-00-533-7021?
Does the NSN 5355-00-533-7021 have a Schedule B code assigned?
Does NSN 5355-00-533-7021 require demilitarization?
Does NSN 5355-00-533-7021 contain precious materials?
Does NSN 5355-00-533-7021 contain hazardous materials?
When the NSN 5355-00-533-7021 was assigned to the Federal Catalog?
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Pricing
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