NK1781-1

Comprehensive specifications and application details for: NK1781-1 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: NK1781-1. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
NK1781-1
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-625-8502
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
03/05/1975

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

4 hole antirotation/lubrication type and quantity, 0.5000 inches nominal flange width, 1.4900 inches minimum and 1.4950 inches maximum flange outside diameter, 0.5000 inches minimum and 0.5010 inches maximum body inside diameter, 1.1885 inches minimum and 1.1895 inches maximum body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-625-8502 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity
4 hole
Body Inside Diameter
0.5000 inches minimum and 0.5010 inches maximum
Body Outside Diameter
1.1885 inches minimum and 1.1895 inches maximum
Flange Outside Diameter
1.4900 inches minimum and 1.4950 inches maximum
Flange Width
0.5000 inches nominal
Hardness Rating
52.0 rockwell c minimum and 58.0 rockwell c maximum overall
Hole Diameter
0.3750 inches nominal first
Overall Length
5.0000 inches nominal
Style Designator
solid, external flange one end

Frequently Asked Questions

Find quick answers to common questions about bearing: NK1781-1. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-625-8502?
The FSCG of the NSN 3120-00-625-8502 is 3120
Does the NSN 3120-00-625-8502 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-00-625-8502 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 3120-00-625-8502 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-625-8502 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 3120-00-625-8502 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Wed, Mar 5, 1975

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