6685-00-388-6685

Find complete technical information, availability, and procurement data for: 6685-00-388-6685
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6685 Humidity Measuring and Controlling Instruments, Temperature and Pressure

National Stock Number

6685-00-388-6685

Item Name Code

19138

Assigment Date

01/01/1963 (63 years ago)

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

air fluid type for which designed, internal thread location, 3 connection quantity, +0.0 to 500.0 pounds per square inch operating pressure range, 1.937 inches nominal 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: 1.937 inches nominal
Thread Location: internal
Connection Quantity: 3
Operating Pressure Range: +0.0 to 500.0 pounds per square inch
Fluid Type For Which Designed: air
Threaded Direct Pressure Connection: provided
Removable Piston: not provided
Material: copper alloy

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
E3572-2PC6	Fluid Pressure Dampener
E3608	Fluid Pressure Dampener

FAQs

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

What is the FSCG of the NSN 6685-00-388-6685?

The FSCG of the NSN 6685-00-388-6685 is 6685

Does the NSN 6685-00-388-6685 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-388-6685 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 6685-00-388-6685 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-388-6685 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 6685-00-388-6685 was assigned to the Federal Catalog?

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