621-204-2278939 PIECE 18

Comprehensive specifications and application details for: 621-204-2278939 PIECE 18 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: 621-204-2278939 PIECE 18. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
621-204-2278939 PIECE 18
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-218-9907
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
10/20/1985

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.

square all corners corner shape, 1.6254 inches minimum and 1.6261 inches maximum body outside diameter, qq-c-390 fed spec single material response outer layer material document and classification, 1.2500 inches minimum and 1.2510 inches maximum body inside diameter, 3.7400 inches minimum and 3.7450 inches maximum overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-218-9907 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
1.2500 inches minimum and 1.2510 inches maximum
Body Outside Diameter
1.6254 inches minimum and 1.6261 inches maximum
Corner Shape
square all corners
Overall Length
3.7400 inches minimum and 3.7450 inches maximum
Material Document And Classification
qq-c-390 fed spec single material response outer layer
Material
copper alloy 934 outer layer
Material
plastic polytetrafluoroethylene inner layer
Style Designator
solid, plain, no outside flanges
Surface Finish
63.0 microinches overall

Frequently Asked Questions

Find quick answers to common questions about bearing: 621-204-2278939 PIECE 18. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-218-9907?
The FSCG of the NSN 3120-01-218-9907 is 3120
Does the NSN 3120-01-218-9907 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-01-218-9907 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 3120-01-218-9907 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-218-9907 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 3120-01-218-9907 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Sun, Oct 20, 1985

Price & Availability

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