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2021120-1 Knob

5355-01-009-7505

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Official Item Classification

Name
Knob
Part Number
2021120-1
(NSN) National Stock Number
5355-01-009-7505
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5355 Knobs and Pointers
(INC) Item Name Code
03263
(FIIG) Federal Item Identification Guide
A530M0
Date
09/15/1975 (50 years ago)

0.486 inches minimum counterbore diameter, 0.026 inches minimum counterbore depth, 2 setscrew hole quantity, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.158 inches minimum distance from hole center to knob/skirt base

Specs & Compatibility

Inside Diameter

0.252 inches minimum and 0.254 inches maximum

Counterbore Diameter

0.486 inches minimum

Counterbore Depth

0.026 inches minimum

Setscrew Hole Quantity

2

Distance From Hole Center To Knob/Skirt Base

0.158 inches minimum

Overall Depth

0.406 inches minimum

Gripping Surface Condition

smooth

Shaft Accommodation Style

counterbored

Outside Diameter

0.721 inches maximum

Reference Marking

intensity

Attachment Method

setscrews

Overall Thickness

0.915 inches maximum

Screw Drive Type

hexagon socket

Thread Quantity Per Inch

32 screw hole

Nominal Thread Size

0.164 inches screw hole

Style Designator

round

Thread Series Designator

unc screw hole

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0003263

Related Hardware Products

Part Number Description
2021120-1 Knob
70-1-26-1 Knob
771691-1 Knob

Frequently Asked Questions

What is the FSCG of the NSN 5355-01-009-7505?
The FSCG of the NSN 5355-01-009-7505 is 5355
Does the NSN 5355-01-009-7505 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-01-009-7505 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 5355-01-009-7505 contain precious materials?
Precious metal content is unknown
Does NSN 5355-01-009-7505 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 5355-01-009-7505 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Mon, Sep 15, 1975