A651-2

View detailed technical data, stock status, and sourcing information for: A651-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-160-5978

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

2 setscrew hole quantity, 0.234 inches nominal distance from hole center to knob/skirt base, grip aid gripping surface condition, 0.250 inches nominal inside diameter, 0.438 inches nominal overall depth

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 0.250 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.234 inches nominal
Overall Depth: 0.438 inches nominal
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Outside Diameter: 0.625 inches nominal
Skirt Style: flared
Attachment Method: setscrews
Overall Thickness: 0.562 inches nominal
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 nominal
Skirt Design: nondetachable
Color: black
Style Designator: crown
Thread Series Designator: unc screw hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5355-00-523-8281	No Name Available	02/22/1971
5355-00-665-1191	No Name Available	01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1JB3892-2	Knob
2021794	Knob
A651-2	Knob
MP1443A	Knob
S230-64BB	Knob
S230-64BBB	Knob
S230-64BBDL	Knob
SMB289535	Knob

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5355-00-160-5978?

The FSCG of the NSN 5355-00-160-5978 is 5355

Does the NSN 5355-00-160-5978 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-160-5978 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 5355-00-160-5978 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-160-5978 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 5355-00-160-5978 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963