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72B4MA/FL Knob

5355-00-159-9172

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Official Item Classification

Name
Knob
Part Number
72B4MA/FL
(NSN) National Stock Number
5355-00-159-9172
(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
01/28/1973 (53 years ago)

0.369 inches maximum distance from hole center to knob/skirt base, 0.188 inches minimum counterbore depth, 2 setscrew hole quantity, 0.485 inches minimum counterbore diameter, 0.252 inches minimum and 0.254 inches maximum inside diameter

Specs & Compatibility

Inside Diameter

0.252 inches minimum and 0.254 inches maximum

Counterbore Diameter

0.485 inches minimum

Counterbore Depth

0.188 inches minimum

Setscrew Hole Quantity

2

Distance From Hole Center To Knob/Skirt Base

0.369 inches maximum

Overall Depth

0.568 inches minimum

Width

0.690 inches minimum and 0.730 inches maximum

Gripping Surface Condition

grip aid

Shaft Accommodation Style

counterbored

Length

1.020 inches minimum and 1.070 inches maximum

Skirt Style

stepped

Reference Marking

line

Attachment Method

setscrews

Overall Thickness

0.752 inches minimum and 0.812 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

1.000 inches maximum

Skirt Design

nondetachable

Pointer Design

nondetachable

Color

black

Style Designator

pointer

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

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Frequently Asked Questions

What is the FSCG of the NSN 5355-00-159-9172?
The FSCG of the NSN 5355-00-159-9172 is 5355
Does the NSN 5355-00-159-9172 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-159-9172 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 5355-00-159-9172 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-159-9172 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 5355-00-159-9172 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sun, Jan 28, 1973