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257-4238 Knob

5355-00-538-6636

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Official Item Classification

Name
Knob
Part Number
257-4238
(NSN) National Stock Number
5355-00-538-6636
(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
01/01/1963 (63 years ago)

0.438 inches nominal overall depth, 0.188 inches nominal distance from hole center to knob/skirt base, 0.250 inches nominal inside diameter, grip aid gripping surface condition, 2 setscrew hole quantity

Specs & Compatibility

Inside Diameter

0.250 inches nominal

Setscrew Hole Quantity

2

Distance From Hole Center To Knob/Skirt Base

0.188 inches nominal

Overall Depth

0.438 inches nominal

Gripping Surface Condition

grip aid

Shaft Accommodation Style

round

Outside Diameter

0.750 inches nominal

Attachment Method

setscrews

Overall Thickness

0.563 inches nominal

Screw Drive Type

hexagon socket

Color

black

Style Designator

crown

Replacement For

Part Number Description
5355-00-284-5528 No Name Available 10/01/1975
5355-00-644-1532 No Name Available 06/01/1976

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
257-4238 Knob
368-2184 Knob
S230-3BB Knob

Frequently Asked Questions

What is the FSCG of the NSN 5355-00-538-6636?
The FSCG of the NSN 5355-00-538-6636 is 5355
Does the NSN 5355-00-538-6636 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-538-6636 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 5355-00-538-6636 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-538-6636 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 5355-00-538-6636 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963