R293

View detailed technical data, stock status, and sourcing information for: R293

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R293
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-00-948-6923
Item Name Code
03263
Assigment Date
04/06/1966 (60 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

smooth gripping surface condition, 0.469 inches nominal overall depth, 0.250 inches nominal distance from hole center to knob/skirt base, 0.250 inches nominal inside diameter, 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
0.250 inches nominal
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/Skirt Base
0.250 inches nominal
Overall Depth
0.469 inches nominal
Gripping Surface Condition
smooth
Shaft Accommodation Style
round
Outside Diameter
0.906 inches nominal
Skirt Style
flared
Reference Marking
line
Attachment Method
setscrews
Overall Thickness
0.562 inches nominal
Screw Drive Type
hexagon socket
Thread Quantity Per Inch
32 screw hole
Nominal Thread Size
0.138 inches screw hole
Skirt Outside Diameter
0.906 inches nominal
Skirt Design
nondetachable
Pointer Design
nondetachable
Color
natural
Style Designator
round with single pointed bar 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
143-1001-62 Knob
R293 Knob

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5355-00-948-6923?
The FSCG of the NSN 5355-00-948-6923 is 5355
Does the NSN 5355-00-948-6923 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-948-6923 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5355-00-948-6923 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-948-6923 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5355-00-948-6923 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Apr 6, 1966

Professional Distribution

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