Aerospace Hardware Store

Aerospace

Hardware

C321000258 Knob

5355-00-221-5608

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

7108026
4720-01-507-3666
Nonmetallic Hose Assembly
710802A
5305-01-496-3440
Hexagon Head Cap Screw
710804
5360-01-347-4924
Compression Spring
710805
4730-01-379-3744
Lubricating Oil Cup
710806-1
5330-01-130-9792
Gasket
710806-A
5360-01-494-8539
Compression Helical Spring
710806A
5360-00-425-3348
Compression Helical Spring
7108084
5340-01-502-8815
Access Cover

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Knob
Part Number
C321000258
(NSN) National Stock Number
5355-00-221-5608
(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
06/25/1969 (57 years ago)

2 setscrew hole quantity, 0.156 inches minimum and 0.158 inches maximum inside diameter, straight shank style, 0.420 inches nominal shank length, 0.406 inches nominal shank diameter

Specs & Compatibility

Inside Diameter

0.156 inches minimum and 0.158 inches maximum

Shank Length

0.420 inches nominal

Shank Diameter

0.406 inches nominal

Shank Style

straight

Setscrew Hole Quantity

2

Distance From Hole Center To Knob/Skirt Base

0.562 inches nominal

Overall Depth

0.671 inches nominal

Gripping Surface Condition

grip aid

Shaft Accommodation Style

round

Outside Diameter

0.624 inches minimum and 0.625 inches maximum

Skirt Style

ring

Attachment Method

setscrews

Overall Thickness

0.796 inches nominal

Screw Drive Type

hexagon socket

Thread Quantity Per Inch

40 screw hole

Nominal Thread Size

0.112 inches screw hole

Skirt Outside Diameter

0.344 inches minimum and 0.349 inches maximum

Skirt Design

nondetachable

Color

gray/grey

Material

aluminum alloy 2024

Style Designator

round

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

Related Hardware Products

Part Number Description
C321000258 Knob

Frequently Asked Questions

What is the FSCG of the NSN 5355-00-221-5608?
The FSCG of the NSN 5355-00-221-5608 is 5355
Does the NSN 5355-00-221-5608 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-221-5608 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 5355-00-221-5608 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-221-5608 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 5355-00-221-5608 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Jun 25, 1969