AS27645-3A

View detailed technical data, stock status, and sourcing information for: AS27645-3A

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AS27645-3A
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-042-4805
Item Name Code
00041
Assigment Date
01/13/1972 (54 years ago)

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes:bearing,ball,annular.

0.1900 inches nominal bore diameter, 2 seal quantity, 0.2030 inches nominal outer ring width, 0.2450 inches nominal inner ring width, 0.6250 inches nominal overall outside diameter

Product Characteristics

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

Bore Diameter
0.1900 inches nominal
Overall Outside Diameter
0.6250 inches nominal
Outer Ring Width
0.2030 inches nominal
Inner Ring Width
0.2450 inches nominal
Seal Quantity
2
Bearing Seal Type
contact
Alignment Type
self-aligning
Load Direction
radial
Self-Alignment Location
internal
Standard Tolerance Designation
afbma std tolerance for airframe ball bearings
Special Features
80 pct full of specified lubricant+ axial play 0.0230 in. max+ heat treat rings and balls to rockwell c 60 to 66+ hea stabilized for operation at 250 deg f+ 10 deg self-aligning in either direction
Lubrication Material Document And Classification
mil-g-81322 mil spec single material response
Material
plastic polytetrafluoroethylene seal
Material
steel corrosion resisting retainer
Material
steel comp e52100 or steel comp e51100 ball
Material
steel comp e52100 inner ring
Material
steel comp e52100 outer ring
Material Document And Classification
66 fed std all material responses ball
Material Document And Classification
66 fed std single material response inner ring
Material Document And Classification
66 fed std single material response outer ring
Material Document And Classification
ams 3652 assn std single material response seal
Surface Treatment
cadmium ball
Surface Treatment
cadmium inner ring
Surface Treatment
cadmium outer ring
Surface Treatment Document And Classification
qq-p-416,ty 1,cl 2 fed spec single treatment response ball
Surface Treatment Document And Classification
qq-p-416,ty 1,cl 2 fed spec single treatment response outer ring
Surface Treatment Document And Classification
qq-p-416,ty 1,cl 2 fed spec single treatment response inner ring
Style Designator
single row self aligning single row inner ring extended both sides

Replaces National Stock Numbers

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

NSN Name Date
3110-00-620-3264 No Name Available 01/01/2001
3110-00-904-4115 No Name Available 10/15/1972

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
3110000424805 Airframe Ball Bearing
AS27645-3A Airframe Ball Bearing
KS3LAXXXX Airframe Ball Bearing
KS3LE6455 Airframe Ball Bearing
KSP3L Airframe Ball Bearing
KSP3LFS464 Airframe Ball Bearing
MS27261KSP3L Airframe Ball Bearing
MS27645-3A Airframe Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-042-4805?
The FSCG of the NSN 3110-00-042-4805 is 3110
Does the NSN 3110-00-042-4805 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105068
Does NSN 3110-00-042-4805 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 3110-00-042-4805 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-042-4805 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 3110-00-042-4805 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Thu, Jan 13, 1972

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 1,512
New Surplus 78
Serviceable 1
Total 1,591
Availability of this item was last updated on: 07/17/2026 05:07 PM EDT. Stock levels and pricing are subject to change.

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