6685-01-691-1868

Find complete technical information, availability, and procurement data for: 6685-01-691-1868
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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

6685-01-691-1868

Item Name Code

08357

Assigment Date

09/24/2020 (5 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

5.0 inches nominal overall length, 1.55 inches nominal overall diameter, 1.37 inches nominal width across flats, 14 first end thread quantity per inch, 1.24 inches nominal overall height

Product Characteristics

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

Overall Length: 5.0 inches nominal
Overall Height: 1.24 inches nominal
Overall Diameter: 1.55 inches nominal
Width Across Flats: 1.37 inches nominal
Thread Quantity Per Inch: 14 first end
Nominal Thread Size: 0.75 inches first end
Material: aluminum alloy and steel corrosion resisting and plastic polycarbonate
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625 mil spec all treatment responses
Style Designator: plug
Thread Series Designator: npsc first end
Nondefinitive Spec/Std Data: cracking psid 1.00-1.50/reseal pressure psid 1.00 range

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
TA340-10-10-MS5.0-1	Plug Humidity Indicator
TA340-PVDLF	Plug Humidity Indicator

FAQs

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

What is the FSCG of the NSN 6685-01-691-1868?

The FSCG of the NSN 6685-01-691-1868 is 6685

Does the NSN 6685-01-691-1868 have a Schedule B code assigned?

Yes, the Schedule B code is 9025805050

Does NSN 6685-01-691-1868 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 6685-01-691-1868 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-01-691-1868 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 6685-01-691-1868 was assigned to the Federal Catalog?

It was assigned 5 years ago, on Thu, Sep 24, 2020