6685-00-405-4991

Find complete technical information, availability, and procurement data for: 6685-00-405-4991
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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

6685-00-405-4991

Item Name Code

07428

Assigment Date

04/05/1971 (55 years ago)

bun 5 in./54 dal,mk-42and45; guided miss,launching sys mk-26/gmls/ end item identification, 1.031 inches nominal overall depth, 50.0 pounds per square inch graduation unit, 2.750 inches nominal overall diameter, 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: 1.031 inches nominal
Overall Diameter: 2.750 inches nominal
End Item Identification: bun 5 in./54 dal,mk-42and45; guided miss,launching sys mk-26/gmls/
Graduation Unit: 50.0 pounds per square inch
Actuation Type: bourdon tube
Adjustability: adjustable
Scale Range: +0.0 to 300.0 pounds pressure per square inch
Scale Name: pressure
Dial Size: 2-1/2 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Type: single
Scale Smallest Increment: 10.0 pounds per square inch
Connection Type: external
Mounting Method: rigid stem
Scale Accuracy: 2 pct middle half; 3 pct remainder
Scale Inscription/Background Color: black markings on white background
Connection Location: bottom
Bezel Type: thread
Connection Size: 0.250 in. npt dia
Mounting Connection Location: bottom
Connector Type Vent: not provided
Material: brass case
Material: copper alloy 511 actuating element
Material: glass protective crystal

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
2814959	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-405-4991?

The FSCG of the NSN 6685-00-405-4991 is 6685

Does the NSN 6685-00-405-4991 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-405-4991 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 6685-00-405-4991 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-405-4991 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 6685-00-405-4991 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Apr 5, 1971