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121A4MA/WD Knob

5355-00-902-4115

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Official Item Classification

Name
Knob
Part Number
121A4MA/WD
(NSN) National Stock Number
5355-00-902-4115
(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
01/01/1960 (66 years ago)

0.260 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity, 0.252 inches minimum and 0.254 inches maximum inside diameter, grip aid gripping surface condition, 0.455 inches minimum overall depth

Specs & Compatibility

Inside Diameter

0.252 inches minimum and 0.254 inches maximum

Setscrew Hole Quantity

2

Distance From Hole Center To Knob/Skirt Base

0.260 inches maximum

Overall Depth

0.455 inches minimum

Gripping Surface Condition

grip aid

Shaft Accommodation Style

round

Outside Diameter

1.240 inches minimum and 1.280 inches maximum

Skirt Style

ring

Reference Marking

dot

Attachment Method

setscrews

Overall Thickness

0.670 inches minimum and 0.730 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

0.750 inches minimum

Skirt Design

nondetachable

Style Designator

round

Thread Series Designator

unc screw hole

Replacement For

Part Number Description
5355-00-774-7281 No Name Available 07/21/1971
5355-00-952-0804 No Name Available 07/01/1998

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
121A4MA/WD Knob
125-1WD2 Knob
12L2RWD Knob
3C2B Knob
MS91528-3C2B Knob

Frequently Asked Questions

What is the FSCG of the NSN 5355-00-902-4115?
The FSCG of the NSN 5355-00-902-4115 is 5355
Does the NSN 5355-00-902-4115 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-902-4115 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 5355-00-902-4115 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-902-4115 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 5355-00-902-4115 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960