B550A

View detailed technical data, stock status, and sourcing information for: B550A
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-118-5846

Item Name Code

16988

Assigment Date

09/05/1981 (44 years ago)

An item so shaped as to deflect one or more of the following: dust, dirt, grease, oil, or liquid into a desired direction or away from a particular area. Can be attached to a stationary or with a revolving part. May or may not be a mechanical device.

400.0 pounds per square inch single response maximum operating pressure, disk flow control device, automatic valve operation method, beaded (hose) all ends connection style, unthreaded external hose all ends connection type

Product Characteristics

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

Flow Control Device: disk
Connection Style: beaded (hose) all ends
Valve Operation Method: automatic
Connection Type: unthreaded external hose all ends
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Inside Diameter Hose Accommodated: 0.750 inches all ends
Material: aluminum alloy body
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: straight thru

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
B550A	Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-01-118-5846?

The FSCG of the NSN 4820-01-118-5846 is 4820

Does the NSN 4820-01-118-5846 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-118-5846 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 4820-01-118-5846 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-118-5846 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 4820-01-118-5846 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Sep 5, 1981