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NASM21384 Knob

5355-00-559-4937

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Official Item Classification

Name
Knob
Part Number
NASM21384
(NSN) National Stock Number
5355-00-559-4937
(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
11/14/1974 (51 years ago)

0.252 inches minimum and 0.254 inches maximum inside diameter, 0.290 inches minimum and 0.330 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity, 0.360 inches minimum and 0.400 inches maximum counterbore diameter, 0.140 inches minimum and 0.180 inches maximum counterbore depth

Specs & Compatibility

Inside Diameter

0.252 inches minimum and 0.254 inches maximum

Counterbore Diameter

0.360 inches minimum and 0.400 inches maximum

Counterbore Depth

0.140 inches minimum and 0.180 inches maximum

Setscrew Hole Quantity

2

Distance From Hole Center To Knob/Skirt Base

0.290 inches minimum and 0.330 inches maximum

Overall Depth

0.480 inches minimum and 0.520 inches maximum

Gripping Surface Condition

smooth

Shaft Accommodation Style

counterbored

Outside Diameter

0.980 inches minimum and 1.020 inches maximum

Reference Marking

line

Attachment Method

setscrews

Overall Thickness

0.600 inches minimum and 0.640 inches maximum

Screw Drive Type

hexagon socket

Thread Quantity Per Inch

32 screw hole

Nominal Thread Size

0.164 inches screw hole

Pointer Design

nondetachable

Special Features

flatted shaft hole,0.222 in. min 0.224 in. max w

Color

gray, fed std 595, 36231

Style Designator

round with single pointed bar face

Thread Series Designator

unc screw hole

Specification/Standard Data

96906-ms21384 government standard

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
MS21384-14ENN Knob
MS21384-20 Knob
NASM21384 Knob
ST5M1252N103A Knob

Frequently Asked Questions

What is the FSCG of the NSN 5355-00-559-4937?
The FSCG of the NSN 5355-00-559-4937 is 5355
Does the NSN 5355-00-559-4937 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-559-4937 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 5355-00-559-4937 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-559-4937 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 5355-00-559-4937 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Thu, Nov 14, 1974