NAS537B6P38

View detailed technical data, stock status, and sourcing information for: NAS537B6P38
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-990-7140

Item Name Code

13206

Assigment Date

01/01/1962 (64 years ago)

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus or minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, and the like, shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes:resistor (1), variable, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.

0.3750 inches minimum and 0.3800 inches maximum overall length, 0.5006 inches minimum and 0.5013 inches maximum body outside diameter, 0.3590 inches minimum and 0.3660 inches maximum body inside diameter, square all corners corner shape, 125.0 microinches left end surface of body surface finish

Product Characteristics

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

Overall Length: 0.3750 inches minimum and 0.3800 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: square all corners
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 250.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: copper alloy 630 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 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
NAS537B6P038	Sleeve Bushing
NAS537B6P38	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-990-7140?

The FSCG of the NSN 3120-00-990-7140 is 3120

Does the NSN 3120-00-990-7140 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-990-7140 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 3120-00-990-7140 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-990-7140 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 3120-00-990-7140 was assigned to the Federal Catalog?

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