B5156-001

View detailed technical data, stock status, and sourcing information for: B5156-001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-054-0874

Item Name Code

03263

Assigment Date

01/14/1978 (48 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

0.125 inches nominal inside diameter, 0.310 inches nominal distance from hole center to knob/skirt base, 1 setscrew hole quantity, 0.156 inches minimum counterbore diameter, 0.440 inches minimum counterbore 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: 0.125 inches nominal
Counterbore Diameter: 0.156 inches minimum
Counterbore Depth: 0.440 inches minimum
Setscrew Hole Quantity: 1
Distance From Hole Center To Knob/Skirt Base: 0.310 inches nominal
Overall Depth: 0.625 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: counterbored
Outside Diameter: 1.250 inches nominal
Attachment Method: setscrews
Overall Thickness: 0.690 inches nominal
Screw Drive Type: cross recess type 1
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Special Features: top counterbore 0.390 in. min dia,0.430 in. max dia,0.060 in. depth,0.090 radius
Color: natural
Style Designator: round
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
B5156-001	Knob
B5156-1	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-054-0874?

The FSCG of the NSN 5355-01-054-0874 is 5355

Does the NSN 5355-01-054-0874 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-054-0874 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 5355-01-054-0874 contain precious materials?

Precious metal content is unknown

Does NSN 5355-01-054-0874 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 5355-01-054-0874 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Jan 14, 1978