211F957

View detailed technical data, stock status, and sourcing information for: 211F957
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-131-7408

Item Name Code

22293

Assigment Date

05/14/1982 (44 years ago)

A comparatively flat rigid item, with or without a centrally located aperture, designed to hold an annular bearing or a sleeve bearing in a fitted inclosure. It must have drilled and/or tapped holes for mounting purposes. Excludes:end bell, electrical rotating equipment.

counterbored w/ aperture cross-sectional shape style, 1.900 inches nominal width, 4.140 inches nominal length, 0.285 inches minimum and 0.301 inches maximum mounting hole diameter, 0.065 inches minimum and 0.075 inches maximum minor thickness

Product Characteristics

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

Cross-Sectional Shape Style: counterbored w/ aperture
Width: 1.900 inches nominal
Minor Thickness: 0.065 inches minimum and 0.075 inches maximum
Length: 4.140 inches nominal
Mounting Hole Diameter: 0.285 inches minimum and 0.301 inches maximum
Aperture Diameter: 1.560 inches minimum and 1.580 inches maximum
Corner Radius: 0.280 inches nominal
Overall Thickness: 0.150 inches minimum and 0.170 inches maximum
Hardness Rating: 33.0 rockwell c minimum and 38.0 rockwell c maximum
Counterbore Diameter: 1.6535 inches minimum and 1.6541 inches maximum
Counterbore Depth: 0.085 inches minimum and 0.095 inches maximum
Mounting Hole Type: round, unthreaded
Material: steel overall
Surface Treatment: phosphate overall
Style Designator: diamond

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
211F957	Bearing Retaining Plate
211F957-1	Bearing Retaining Plate

FAQs

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

What is the FSCG of the NSN 3110-01-131-7408?

The FSCG of the NSN 3110-01-131-7408 is 3110

Does the NSN 3110-01-131-7408 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3110-01-131-7408 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 3110-01-131-7408 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-131-7408 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 3110-01-131-7408 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, May 14, 1982