53-81057-1

View detailed technical data, stock status, and sourcing information for: 53-81057-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-056-3312

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

An item designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see handwheel. For items calibrated in units or series of divisions to denote relative positioning of devices see dial, control. Excludes:doorknob; and handle (as modified).

smooth gripping surface condition, 0.781 inches nominal outside diameter, 1 setscrew hole quantity, 0.250 inches minimum and 0.256 inches maximum inside diameter, 0.312 inches nominal 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: 0.250 inches minimum and 0.256 inches maximum
Setscrew Hole Quantity: 1
Distance From Hole Center To Knob/Skirt Base: 0.312 inches nominal
Gripping Surface Condition: smooth
Outside Diameter: 0.781 inches nominal
Skirt Style: ring
Reference Marking: bomb off
Attachment Method: setscrews
Overall Thickness: 0.875 inches nominal
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.190 inches screw hole
Skirt Outside Diameter: 2.130 inches nominal
Skirt Design: detachable
Material: plastic
Style Designator: round
Thread Series Designator: unf 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
53-81057-1	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-056-3312?

The FSCG of the NSN 5355-00-056-3312 is 5355

Does the NSN 5355-00-056-3312 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-056-3312 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 5355-00-056-3312 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-056-3312 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 5355-00-056-3312 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963