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121D4MA Knob

5355-01-032-5690

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Official Item Classification

Name
Knob
Part Number
121D4MA
(NSN) National Stock Number
5355-01-032-5690
(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
12/16/1976 (49 years ago)

0.750 inches minimum counterbore diameter, 2 setscrew hole quantity, 0.427 inches maximum distance from hole center to knob/skirt base, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.250 inches minimum counterbore depth

Specs & Compatibility

Inside Diameter

0.252 inches minimum and 0.254 inches maximum

Counterbore Diameter

0.750 inches minimum

Counterbore Depth

0.250 inches minimum

Setscrew Hole Quantity

2

Distance From Hole Center To Knob/Skirt Base

0.427 inches maximum

Overall Depth

0.605 inches minimum

Gripping Surface Condition

grip aid

Shaft Accommodation Style

counterbored

Outside Diameter

1.240 inches minimum and 1.280 inches maximum

Skirt Style

flared

Attachment Method

setscrews

Overall Thickness

0.820 inches minimum and 0.880 inches maximum

Material Transparency

opaque

Screw Drive Type

hexagon socket

Thread Quantity Per Inch

32 screw hole

Nominal Thread Size

0.164 inches screw hole

Skirt Outside Diameter

1.837 inches maximum

Skirt Design

nondetachable

Color

black, lusterless

Style Designator

round

Thread Series Designator

unc screw hole

Replacement For

Part Number Description
5355-00-837-3488 No Name Available 07/01/1996

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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 5355-01-032-5690?
The FSCG of the NSN 5355-01-032-5690 is 5355
Does the NSN 5355-01-032-5690 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-01-032-5690 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 5355-01-032-5690 contain precious materials?
Item does not contain precious metal.
Does NSN 5355-01-032-5690 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 5355-01-032-5690 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Thu, Dec 16, 1976