A542DD

View detailed technical data, stock status, and sourcing information for: A542DD
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-994-6274

Item Name Code

00041

Assigment Date

01/01/1962 (64 years ago)

A coil or coils usually constructed with cores having low magnetic reluctance, whose primary purpose is to furnish an inductive impedance in power or audio frequency circuit ranging from zero to 20 kilohertz (kilocycles). Includes audio frequency and power filter chokes, audio reactors and swinging chokes. Does not include transformers or coils used above audio frequency range. Excludes:saturable reactor. For reactors with air cores, see coil (as modified).

0.2500 inches nominal outer ring width, 2 seal quantity, 0.2810 inches nominal inner ring width, 1.3125 inches nominal bore diameter, 1.7500 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: 1.3125 inches nominal
Overall Outside Diameter: 1.7500 inches nominal
Outer Ring Width: 0.2500 inches nominal
Inner Ring Width: 0.2810 inches nominal
Seal Quantity: 2
Load Direction: radial
Standard Tolerance Designation: afbma std tolerance for airframe needle bearings
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-7711 mil spec single material response
Material: plastic seal
Material: steel corrosion resisting ball
Material: steel corrosion resisting inner ring
Material: steel corrosion resisting outer ring
Style Designator: single row inner ring extended both sides

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
A542DD	Airframe Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-994-6274?

The FSCG of the NSN 3110-00-994-6274 is 3110

Does the NSN 3110-00-994-6274 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-00-994-6274 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 3110-00-994-6274 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-994-6274 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 3110-00-994-6274 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962