6685-00-838-4784

Find complete technical information, availability, and procurement data for: 6685-00-838-4784
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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

6685-00-838-4784

Item Name Code

07428

Assigment Date

01/01/1962 (64 years ago)

6.063 inches nominal overall diameter, 2.188 inches nominal overall depth, 5.0 pounds per square inch graduation unit, single bourdon tube actuation type, 5.375 inches nominal bolt circle diameter

Product Characteristics

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

Overall Depth: 2.188 inches nominal
Bolt Circle Diameter: 5.375 inches nominal
Overall Diameter: 6.063 inches nominal
Graduation Unit: 5.0 pounds per square inch
Actuation Type: single bourdon tube
Adjustability: adjustable
Scale Range: +0.0 to 30.0 pounds pressure per square inch
Scale Name: pressure
Dial Size: 4-1/2 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Type: single
Scale Smallest Increment: 0.5 pounds per square inch
Connection Type: external
Mounting Method: flush panel and stud
Stud Quantity: 3
Scale Accuracy: 0.5 pct entire range
Scale Inscription/Background Color: black figures on white background
Connection Location: back
Bezel Type: hinge
Connection Size: 0.250 in. npt dia
Stud Location: behind flange
Connector Type Vent: not provided
Material: aluminum alloy and steel case
Material: bronze actuating element
Material: glass protective crystal
Surface Treatment: resin, epoxy case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-038-7448	No Name Available	09/01/1981
6685-00-190-5942	No Name Available	07/01/1992
6685-00-702-3327	No Name Available	01/01/1961
6685-00-841-3179	No Name Available	01/01/1960
6685-00-849-0683	No Name Available	01/01/1960
6685-00-978-9407	No Name Available	07/01/1980
6685-01-026-0211	No Name Available	07/01/1992

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
45-1377A02B30	Dial Indicating Pressure Gage
J4L3D3A000000	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-838-4784?

The FSCG of the NSN 6685-00-838-4784 is 6685

Does the NSN 6685-00-838-4784 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-838-4784 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 6685-00-838-4784 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-838-4784 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 6685-00-838-4784 was assigned to the Federal Catalog?

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