142973-01

View detailed technical data, stock status, and sourcing information for: 142973-01

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142973-01
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-00-850-8010
Item Name Code
03263
Assigment Date
01/06/1967 (59 years ago)

An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.

2 setscrew hole quantity, 0.613 inches nominal distance from hole center to knob/skirt base, 0.250 inches minimum and 0.255 inches maximum inside diameter, 0.500 inches nominal counterbore depth, 0.530 inches nominal 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
0.250 inches minimum and 0.255 inches maximum
Counterbore Diameter
0.530 inches nominal
Counterbore Depth
0.500 inches nominal
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/Skirt Base
0.613 inches nominal
Overall Depth
0.725 inches nominal
Gripping Surface Condition
smooth
Shaft Accommodation Style
counterbored
Outside Diameter
0.765 inches nominal
Reference Marking
arrow
Attachment Method
setscrews
Overall Thickness
0.815 inches nominal
Screw Drive Type
cross recess type 1
Thread Quantity Per Inch
40 screw hole
Nominal Thread Size
0.112 inches screw hole
Material
aluminum alloy a380.0
Style Designator
crown
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
142973-01 Knob

FAQs

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

What is the FSCG of the NSN 5355-00-850-8010?
The FSCG of the NSN 5355-00-850-8010 is 5355
Does the NSN 5355-00-850-8010 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-850-8010 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 5355-00-850-8010 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-850-8010 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 5355-00-850-8010 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Fri, Jan 6, 1967

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