NAS537B6P21

View detailed technical data, stock status, and sourcing information for: NAS537B6P21
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-503-5745

Item Name Code

13206

Assigment Date

07/13/1974 (52 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.

chamfered inside right corner corner shape, 0.5006 inches minimum and 0.5013 inches maximum body outside diameter, chamfered inside left corner corner shape, 0.3590 inches minimum and 0.3660 inches maximum body inside diameter, 0.2050 inches minimum and 0.2100 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: 0.2050 inches minimum and 0.2100 inches maximum
Body Outside Diameter: 0.5006 inches minimum and 0.5013 inches maximum
Body Inside Diameter: 0.3590 inches minimum and 0.3660 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Material: copper alloy 642 overall
Material Document And Classification: qq-c-465 fed spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator: solid, plain, no outside flanges
Specification/Standard Data: 80205-nas537 professional/industrial association standard

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
NAS537B6P21	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-503-5745?

The FSCG of the NSN 3120-00-503-5745 is 3120

Does the NSN 3120-00-503-5745 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-503-5745 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 3120-00-503-5745 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-503-5745 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 3120-00-503-5745 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Jul 13, 1974