2553379

View detailed technical data, stock status, and sourcing information for: 2553379
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-708-7681

Item Name Code

00014

Assigment Date

02/14/1968 (58 years ago)

An item designed to fit over and hold a nut or bolt head to prevent it from turning. See also locking plate, nut and bolt.

0.2500 inches nominal bore diameter, 0.1960 inches nominal overall width, 1.0000 inches nominal flange outside diameter, 0.6250 inches nominal outer ring outside diameter, 0.0650 inches nominal flange 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: 0.1960 inches nominal
Bore Diameter: 0.2500 inches nominal
Flange Outside Diameter: 1.0000 inches nominal
Flange Width: 0.0650 inches nominal
Outer Ring Outside Diameter: 0.6250 inches nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Shield Quantity: 2
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0008 inches minimum radial and 0.0011 inches maximum radial
Standard Tolerance Designation: abec no.7
Special Features: three holes 0.1090 in. dia equally spaced on 0.8120 in. dia pitch circle,starting torque not to exceed 0.4 gm cm under a 400 gm thrust load,lubricate bearing w/oil film of specified lubricant,bearing to be in accordance w/ sperry spec p2597257
Lubrication Material: oil
Lubrication Material Document And Classification: mil-l-6085 mil spec single material response
Material: steel ball
Material: steel corrosion resisting retainer
Material: steel inner ring
Material: steel outer ring
Material: steel shield
Style Designator: non-loading groove, non-separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-191-2522	No Name Available	09/01/1983

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
2553379	Annular Ball Bearing
4329WK811/85	Annular Ball Bearing
RS77NR4DJZH7188CH	Annular Ball Bearing
Z96SSW6VLF0-15D	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-708-7681?

The FSCG of the NSN 3110-00-708-7681 is 3110

Does the NSN 3110-00-708-7681 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-708-7681 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 3110-00-708-7681 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-708-7681 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 3110-00-708-7681 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Feb 14, 1968