TT374-104

View detailed technical data, stock status, and sourcing information for: TT374-104
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-198-8256

Item Name Code

03263

Assigment Date

01/14/1985 (41 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

0.370 inches nominal counterbore diameter, 0.090 inches nominal counterbore depth, 0.250 inches nominal distance from hole center to knob/skirt base, 0.128 inches nominal inside diameter, 2 setscrew hole quantity

Product Characteristics

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

Inside Diameter: 0.128 inches nominal
Counterbore Diameter: 0.370 inches nominal
Counterbore Depth: 0.090 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.250 inches nominal
Overall Depth: 0.500 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: counterbored
Outside Diameter: 0.620 inches nominal
Reference Marking: index line
Attachment Method: setscrews
Overall Thickness: 0.560 inches nominal
End Item Identification: aircraft, eagle f-15,aircraft, b-1b
Material Transparency: clear
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Special Features: ref marking is a black indicia border with white index line,tactile top is integral part of knob
Style Designator: round with triangular face
Thread Series Designator: unc screw hole

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
5055191-005	Knob
5055191-5	Knob
TT374-104	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-198-8256?

The FSCG of the NSN 5355-01-198-8256 is 5355

Does the NSN 5355-01-198-8256 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-198-8256 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 5355-01-198-8256 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-198-8256 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 5355-01-198-8256 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Jan 14, 1985