396 - 4.5 X 2.5

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Federal Supply Group

Firefighting, Rescue, and Safety Equipment; and Environmental Protection Equipment and Materials

Federal Supply Classification

4210 Firefighting Equipment

National Stock Number

4210-00-288-7735

Item Name Code

51063

Assigment Date

01/01/1963 (63 years ago)

A straight fire hose fitting having a different size connection on each end. It is designed to join two fire hoses of different sizes. Excludes:bushing (as modified).

gasket seal (hose) 1st end connection style, 4 1st end thread quantity per inch, swivel nut, gasket seal (hose) 2nd end connection style, 7-1/2 2nd end thread quantity per inch, concentric reducer type

Product Characteristics

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

Reducer Type: concentric
Connection Style: swivel nut, gasket seal (hose) 2nd end
Connection Style: gasket seal (hose) 1st end
Thread Quantity Per Inch: 4 1st end
Thread Quantity Per Inch: 7-1/2 2nd end
Maximum Operating Pressure: 500.0 pounds per square inch single response
Nominal Thread Size: 2.500 inches 2nd end
Nominal Thread Size: 4.500 inches 1st end
Special Features: 2-1/2in.end shall swivel
Material: copper alloy overall
Media For Which Designed: water single response
Thread Series Designator: nh 1st end
Thread Series Designator: nh 2nd end
Fsc Application Data: fire extinguishers

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
319 4.5 X 2.5	Fire Fighting Hose Reducer
396 - 4.5 X 2.5	Fire Fighting Hose Reducer

FAQs

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

What is the FSCG of the NSN 4210-00-288-7735?

The FSCG of the NSN 4210-00-288-7735 is 4210

Does NSN 4210-00-288-7735 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 4210-00-288-7735 contain precious materials?

Precious metal content is unknown

Does NSN 4210-00-288-7735 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 4210-00-288-7735 was assigned to the Federal Catalog?

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