428B972 Sleeve Bushing

Comprehensive specifications and application details for: 428B972 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: 428B972. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 428B972
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-178-2132
Item Name Code: 13206
Federal Item Identification Guide: A045A0
Assigment Date: 05/02/1984

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.

chamfered outside right corner corner shape, 0.8740 inches minimum and 0.8750 inches maximum body inside diameter, round center flange left body corner corner shape, chamfered center flange outside right corner corner shape, chamfered center flange outside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-178-2132 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 0.8740 inches minimum and 0.8750 inches maximum
Corner Shape: chamfered center flange outside left corner
Corner Shape: chamfered center flange outside right corner
Corner Shape: chamfered outside right corner
Corner Shape: round center flange left body corner
Corner Shape: square center flange right body corner
Corner Shape: round outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
End To Flange Distance: 4.1250 inches nominal
Features Provided: casehardened
Flange Outside Diameter: 2.6250 inches minimum and 2.6260 inches maximum
Flange Width: 0.5000 inches nominal
Left End Body Diameter: 1.8750 inches nominal
Overall Length: 13.6250 inches nominal
Material Document And Classification: b50r217,fscm 01289 mfr ref single material response overall
Material: steel overall
Right End Body Diameter: 1.6250 inches nominal
Special Features: nitride hardening per b50r205,fscm 01289,navy spec. k-9495202 and k9495296; four external keys on right end surface of body equally spaced,0.375 in. wide,1.750 in. long,0.1875 in. high; 2.000 in. dia raised surface on right end surface of flange,0.125 in. wide
Style Designator: solid, external flange
Surface Finish: 63.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of flange
Surface Finish: 63.0 microinches right end surface of flange

Frequently Asked Questions

Find quick answers to common questions about bearing: 428B972. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-178-2132?: The FSCG of the NSN 3120-01-178-2132 is 3120

Does the NSN 3120-01-178-2132 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997060

Does NSN 3120-01-178-2132 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 3120-01-178-2132 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-178-2132 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.