M81934/1-24A012

View detailed technical data, stock status, and sourcing information for: M81934/1-24A012
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-329-6502

Item Name Code

13205

Assigment Date

11/20/1990 (35 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

square all corners corner shape, 0.3650 inches minimum and 0.3750 inches maximum overall length, 1.5005 inches minimum and 1.5015 inches maximum body inside diameter, 125.0 microinches inside diameter surface of body surface finish, 1.7518 inches minimum and 1.7528 inches maximum body outside diameter

Product Characteristics

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

Overall Length: 0.3650 inches minimum and 0.3750 inches maximum
Body Outside Diameter: 1.7518 inches minimum and 1.7528 inches maximum
Body Inside Diameter: 1.5005 inches minimum and 1.5015 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: aluminum alloy 2024 outer layer
Material: plastic polytetrafluoroethylene inner layer
Material Document And Classification: qq-a-200/3,t8511 fed spec single material response or qq-a-225/6,t851 fed spec single material response outer layer
Surface Treatment: anodize or chromate outer layer
Surface Treatment Document And Classification: mil-a-8625,ty 1 mil spec 1st treatment response or mil-a-8625,ty 2 mil spec 1st treatment response or mil-c-5541 mil spec 2nd treatment response outer layer
Style Designator: solid, plain, no outside flanges

Replaces National Stock Numbers

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

NSN	Name	Date
3120-00-040-9251	No Name Available	02/01/1998

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
M81934/1-24A012	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-329-6502?

The FSCG of the NSN 3120-01-329-6502 is 3120

Does the NSN 3120-01-329-6502 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-329-6502 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 3120-01-329-6502 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-329-6502 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 3120-01-329-6502 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Tue, Nov 20, 1990