6685-00-838-0552

Find complete technical information, availability, and procurement data for: 6685-00-838-0552
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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

6685-00-838-0552

Item Name Code

07428

Assigment Date

12/14/1966 (59 years ago)

2.813 inches nominal overall diameter, poseidon material; chilled water a/c systems end item identification, 5.000 pounds per square inch graduation unit, 1.219 inches nominal overall depth, single bourdon tube actuation type

Product Characteristics

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

Overall Depth: 1.219 inches nominal
Overall Diameter: 2.813 inches nominal
End Item Identification: poseidon material; chilled water a/c systems
Graduation Unit: 5.000 pounds per square inch
Actuation Type: single bourdon tube
Adjustability: nonadjustable
Scale Range: +0.0 to 30.0 pounds pressure per square inch
Scale Name: pressure
Dial Size: 2-1/2 in. dia
Connection Quantity: 1
Pointer Color: black and red
Pointer Type: indicating and reference
Scale Marking: free from oil
Scale Type: single
Scale Smallest Increment: 0.5 pounds per square inch
Connection Type: external
Mounting Method: rigid stem
Scale Accuracy: 1 pct entire range
Scale Inscription/Background Color: black figures on white background
Connection Location: back, center
Bezel Type: snap-on
Connection Size: 0.250 in. npt
Mounting Connection Location: back
Connector Type Vent: not provided
Material: copper alloy 511 actuating element
Material: glass protective crystal
Material: steel corrosion resisting case
Surface Treatment: enamel case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-839-1105	No Name Available	12/01/1991

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
25-1009A02BXGC6B30	Dial Indicating Pressure Gage
25-1009KN02BXWDF006	Dial Indicating Pressure Gage
MIL-I-18997/1DEA TYA25-0-30B	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-838-0552?

The FSCG of the NSN 6685-00-838-0552 is 6685

Does the NSN 6685-00-838-0552 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-838-0552 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 6685-00-838-0552 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-838-0552 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 6685-00-838-0552 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Dec 14, 1966