AA1257

View detailed technical data, stock status, and sourcing information for: AA1257
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-541-0126

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

0.7520 inches minimum and 0.7530 inches maximum body inside diameter, copper alloy overall material, square all corners corner shape, 1.2520 inches minimum and 1.2530 inches maximum body outside diameter, 0.9950 inches minimum and 1.0050 inches maximum overall length

Product Characteristics

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

Overall Length: 0.9950 inches minimum and 1.0050 inches maximum
Body Outside Diameter: 1.2520 inches minimum and 1.2530 inches maximum
Body Inside Diameter: 0.7520 inches minimum and 0.7530 inches maximum
Corner Shape: square all corners
Material: copper alloy overall
Material: oil lubricating lubrication
Material Document And Classification: mil-b-5697,ty 1,comp a mil spec single material response overall
Style Designator: solid, plain, no outside flanges
Nondefinitive Spec/Std Data: 1 type and a composition

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
A1257	Sleeve Bearing
AA-1257	Sleeve Bearing
AA1257	Sleeve Bearing
B1220-8	Sleeve Bearing
C753BA1000	Sleeve Bearing
P79-8	Sleeve Bearing
PB2440-16	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-541-0126?

The FSCG of the NSN 3120-00-541-0126 is 3120

Does the NSN 3120-00-541-0126 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-541-0126 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 3120-00-541-0126 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-541-0126 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 3120-00-541-0126 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963