54A1IN

View detailed technical data, stock status, and sourcing information for: 54A1IN
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6680 Mechanical Motion Measuring Instruments, Liquid Level and Liquid and Gas Flow

National Stock Number

6680-00-264-3927

Item Name Code

03175

Assigment Date

01/01/1963 (63 years ago)

3.125 inches nominal bolt circle diameter, 1.000 inches both ends nominal pipe size for which designed, 4.750 inches nominal overall height, 0.563 inches nominal both ends bolt hole diameter, 4 both ends bolt hole quantity

Product Characteristics

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

Bolt Circle Diameter: 3.125 inches nominal
Overall Height: 4.750 inches nominal
Nominal Pipe Size For Which Designed: 1.000 inches both ends
Bolt Hole Quantity: 4 both ends
Bolt Hole Diameter: 0.563 inches nominal both ends
Flange Outside Diameter: 2.625 inches nominal
Sight Diameter: 1.750 inches nominal
End Connection Type: flanged, recessed both ends
Furnished Data: liquid flow
Data Furnishing Method: clear window
Material: copper alloy
Media For Which Designed: oil
Style Designator: double port flanged

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
3002210PC40	Liquid Sight Indicator
54A1IN	Liquid Sight Indicator
98909-6301-1001627PC33	Liquid Sight Indicator
G225-4PC33	Liquid Sight Indicator
G303-4PC40	Liquid Sight Indicator
G380SH3PC8	Liquid Sight Indicator

FAQs

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

What is the FSCG of the NSN 6680-00-264-3927?

The FSCG of the NSN 6680-00-264-3927 is 6680

Does the NSN 6680-00-264-3927 have a Schedule B code assigned?

Yes, the Schedule B code is 9026107000

Does NSN 6680-00-264-3927 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 6680-00-264-3927 contain precious materials?

Item does not contain precious metal.

Does NSN 6680-00-264-3927 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6680-00-264-3927 was assigned to the Federal Catalog?

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