57-488-122

View detailed technical data, stock status, and sourcing information for: 57-488-122
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Federal Supply Group

Measuring Tools

Federal Supply Classification

5220 Inspection Gages and Precision Layout Tools

National Stock Number

5220-01-190-9873

Item Name Code

05031

Assigment Date

10/04/1984 (41 years ago)

A hand-operated leverage device designed to loosen tire beads from a wheel rim for tire removal. It consists of a base-mounted upright which serves as a fulcrum for an attached lever arm from which a leg with a shoe is suspended. When the wheel and tire assembly is positioned flat on the base with the shoe against the upper side of the tire at the rim, downward pressure on the lever arm forces the tire bead to break away from the wheel rim. See also demounter, pneumatic tire.

o/a dims 12.000 in. by 12.000 in. by 6.812 in.; center distance rolls within 0.0002 in. for 10.000 in.; precision ground square within 0.0002 in. to 0.0004 in.; ceramic magnets, removable front mounted on-off lever special features

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Special Features: o/a dims 12.000 in. by 12.000 in. by 6.812 in.; center distance rolls within 0.0002 in. for 10.000 in.; precision ground square within 0.0002 in. to 0.0004 in.; ceramic magnets, removable front mounted on-off lever

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
57-488-122	Sine Plate

FAQs

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

What is the FSCG of the NSN 5220-01-190-9873?

The FSCG of the NSN 5220-01-190-9873 is 5220

Does NSN 5220-01-190-9873 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 5220-01-190-9873 contain precious materials?

Item does not contain precious metal.

Does NSN 5220-01-190-9873 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 5220-01-190-9873 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Oct 4, 1984