6478A

View detailed technical data, stock status, and sourcing information for: 6478A
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-158-6189

Item Name Code

00019

Assigment Date

01/01/1961 (65 years ago)

An antifriction bearing having a ball rolling element, designed to resist axial thrust, or to support an axial load. Excludes:bearing,ball,pivot.

4.0600 inches nominal overall outside diameter, ground surface finish, 2.7495 inches minimum and 2.7500 inches maximum bore smallest diameter, pressed retainer fabrication method, 0.9900 inches minimum and 1.0100 inches maximum overall height

Product Characteristics

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

Overall Height: 0.9900 inches minimum and 1.0100 inches maximum
Overall Outside Diameter: 4.0600 inches nominal
Bore Smallest Diameter: 2.7495 inches minimum and 2.7500 inches maximum
Surface Finish: ground
Retainer Fabrication Method: pressed
Alignment Type: rigid
Thrust Directional Capability Designation: single
Standard Tolerance Designation: afbma std tolerance for thrust bearings
Special Features: banded od
Material: copper alloy inner race bore
Material: steel ball
Material: steel band
Material: steel retainer
Material: steel washer
Style Designator: clutch release, thrust, lubricated and sealed

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-010-2704	No Name Available	03/01/1978
3110-00-878-9000	No Name Available	06/23/1971
3110-00-988-7449	No Name Available	03/25/1968

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
12007M	Thrust Ball Bearing
2105591	Thrust Ball Bearing
223430	Thrust Ball Bearing
2477P11	Thrust Ball Bearing
253414R91	Thrust Ball Bearing
2755-0	Thrust Ball Bearing
2756-0	Thrust Ball Bearing
2756-14	Thrust Ball Bearing
4860A	Thrust Ball Bearing
6478A	Thrust Ball Bearing
700997	Thrust Ball Bearing
7A2025	Thrust Ball Bearing
851465	Thrust Ball Bearing
86FT82	Thrust Ball Bearing
93258	Thrust Ball Bearing
9411277	Thrust Ball Bearing
A971	Thrust Ball Bearing
BB22045	Thrust Ball Bearing
CTDES88	Thrust Ball Bearing
CTDES88ANG5	Thrust Ball Bearing
F06168	Thrust Ball Bearing
H2987	Thrust Ball Bearing
H2987-2	Thrust Ball Bearing
P23558	Thrust Ball Bearing
RCF9-33	Thrust Ball Bearing
SG8040	Thrust Ball Bearing
TPL1465	Thrust Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-158-6189?

The FSCG of the NSN 3110-00-158-6189 is 3110

Does the NSN 3110-00-158-6189 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3110-00-158-6189 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 3110-00-158-6189 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-158-6189 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 3110-00-158-6189 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961