L1-31

View detailed technical data, stock status, and sourcing information for: L1-31
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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

6680-00-850-3966

Item Name Code

03175

Assigment Date

01/01/1962 (64 years ago)

0.500 inches both ends tube outside diameter for which designed, 3.125 inches nominal overall height, 3.000 inches nominal overall length, poseidon end item identification, 0.750 inches nominal sight diameter

Product Characteristics

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

Overall Length: 3.000 inches nominal
Overall Height: 3.125 inches nominal
End Item Identification: poseidon
Sight Diameter: 0.750 inches nominal
Tube Outside Diameter For Which Designed: 0.500 inches both ends
End Connection Type: socket both ends
Features Provided: port seal cap
Material: copper alloy
Media For Which Designed: any acceptable
Style Designator: double port w/caps
Reference Number Differentiating Characteristics: aspp,asnx,abkw,abhp

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6680-00-088-4633	No Name Available	10/01/1975

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
L1-31	Liquid Sight Indicator
L1-31 7-8S	Liquid Sight Indicator
L1-35	Liquid Sight Indicator

FAQs

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

What is the FSCG of the NSN 6680-00-850-3966?

The FSCG of the NSN 6680-00-850-3966 is 6680

Does the NSN 6680-00-850-3966 have a Schedule B code assigned?

Yes, the Schedule B code is 9026107000

Does NSN 6680-00-850-3966 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 6680-00-850-3966 contain precious materials?

Item does not contain precious metal.

Does NSN 6680-00-850-3966 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 6680-00-850-3966 was assigned to the Federal Catalog?

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