B-2 1/2 4

View detailed technical data, stock status, and sourcing information for: B-2 1/2 4
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part B-2 1/2 4 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-902-1641

Item Name Code

00051

Assigment Date

01/01/1960 (66 years ago)

0.1562 inches nominal bore diameter, ground surface finish, pressed retainer fabrication method, 0.2812 inches nominal overall outside diameter, 0.2500 inches nominal overall width

Product Characteristics

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

Overall Width: 0.2500 inches nominal
Bore Diameter: 0.1562 inches nominal
Overall Outside Diameter: 0.2812 inches nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Alignment Type: rigid
Standard Tolerance Designation: afbma std tolerance for industrial needle bearings
Special Features: oil hole in outer ring
Material: steel overall
Style Designator: non-separable, open end, drawn shell

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-005-5854	No Name Available	03/01/1979
3110-00-159-9530	No Name Available	10/01/1976
3110-00-887-1490	No Name Available	11/11/2016

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
10130562	Needle Roller Bearing
2 1/2 4-OH	Needle Roller Bearing
2-1-2 40H	Needle Roller Bearing
3110PL1384199	Needle Roller Bearing
642AS7582-2	Needle Roller Bearing
B-2 1/2 4	Needle Roller Bearing
B-2 1/2 4-OH	Needle Roller Bearing
B2 1-2 40H	Needle Roller Bearing
SMD500020-1	Needle Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-902-1641?

The FSCG of the NSN 3110-00-902-1641 is 3110

Does the NSN 3110-00-902-1641 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-00-902-1641 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 3110-00-902-1641 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-902-1641 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 3110-00-902-1641 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960