RD239-163

View detailed technical data, stock status, and sourcing information for: RD239-163
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-495-4864

Item Name Code

03263

Assigment Date

03/18/2002 (24 years ago)

A self-contained unit designed for placement in the holder of a respirator or air line mask. It may consist of a filtering element of fibrous material such as felt, paper, or the like secured between two end plates; or it may be a cylindrical container of light weight construction having flat or slightly rounded ends which may be either perforated or of wire mesh, filled with charcoal or chemicals which absorb contaminants from the air passing through it. See also filter, respirator, air filtering.

0.160 inches nominal distance from hole center to knob/skirt base, grip aid gripping surface condition, 2 setscrew hole quantity, 0.620 inches nominal outside diameter, setscrews attachment method

Product Characteristics

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

Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.160 inches nominal
Gripping Surface Condition: grip aid
Outside Diameter: 0.620 inches nominal
Attachment Method: setscrews
Overall Thickness: 0.560 inches nominal
Screw Drive Type: four spline
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Color: black
Style Designator: round fluted
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
K235A012-9	Knob
KD239-157	Knob
RD239-163	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-495-4864?

The FSCG of the NSN 5355-01-495-4864 is 5355

Does the NSN 5355-01-495-4864 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-495-4864 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 5355-01-495-4864 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-495-4864 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 5355-01-495-4864 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Mon, Mar 18, 2002