103S21

View detailed technical data, stock status, and sourcing information for: 103S21
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-903-0913

Item Name Code

00023

Assigment Date

01/01/1960 (66 years ago)

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

2.5000 inches nominal bore diameter, steel overall material, 0.0800 inches nominal cone corner radius, 0.8661 inches nominal cone width, afbma class 2 standard tolerance designation

Product Characteristics

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

Bore Diameter: 2.5000 inches nominal
Cone Corner Radius: 0.0800 inches nominal
Cone Width: 0.8661 inches nominal
Standard Tolerance Designation: afbma class 2
Material: steel overall
Style Designator: normal angle

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
103S21	Tapered Roller Cone and Rollers

FAQs

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

What is the FSCG of the NSN 3110-00-903-0913?

The FSCG of the NSN 3110-00-903-0913 is 3110

Does the NSN 3110-00-903-0913 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-903-0913 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 3110-00-903-0913 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-903-0913 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 3110-00-903-0913 was assigned to the Federal Catalog?

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