610-187871-001

View detailed technical data, stock status, and sourcing information for: 610-187871-001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-340-4545

Item Name Code

03263

Assigment Date

01/06/1974 (52 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

2 setscrew hole quantity, 0.875 inches nominal counterbore diameter, 0.094 inches nominal counterbore depth, 0.252 inches minimum and 0.256 inches maximum inside diameter, 0.250 inches nominal distance from hole center to knob/skirt base

Product Characteristics

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

Inside Diameter: 0.252 inches minimum and 0.256 inches maximum
Counterbore Diameter: 0.875 inches nominal
Counterbore Depth: 0.094 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: 0.875 inches nominal
Skirt Style: flared
Attachment Method: setscrews
Overall Thickness: 0.750 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: 1.250 inches nominal
Skirt Design: nondetachable
Special Features: 0.250 in. cutout on skirt
Color: black
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
610-187871-001	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-340-4545?

The FSCG of the NSN 5355-00-340-4545 is 5355

Does the NSN 5355-00-340-4545 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-340-4545 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 5355-00-340-4545 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-340-4545 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 5355-00-340-4545 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Jan 6, 1974