245-011-0012

View detailed technical data, stock status, and sourcing information for: 245-011-0012
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-164-5994

Item Name Code

03263

Assigment Date

11/13/1971 (54 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

2 setscrew hole quantity, 0.127 inches minimum and 0.129 inches maximum inside diameter, grip aid gripping surface condition, 0.405 inches nominal overall depth, 0.187 inches maximum distance from hole center to knob/skirt base

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
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.187 inches maximum
Overall Depth: 0.405 inches nominal
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Outside Diameter: 0.725 inches maximum
Skirt Style: ring
Attachment Method: setscrews
Overall Thickness: 0.906 inches maximum
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Skirt Outside Diameter: 0.485 inches minimum
Skirt Design: nondetachable
Color: gray/grey
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
245-011-0012	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-164-5994?

The FSCG of the NSN 5355-00-164-5994 is 5355

Does the NSN 5355-00-164-5994 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-164-5994 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 5355-00-164-5994 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-164-5994 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 5355-00-164-5994 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Nov 13, 1971