AR274-1L

View detailed technical data, stock status, and sourcing information for: AR274-1L
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-971-4755

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

bracket mounting facility, zinc alloy body material, w/synthetic rubber air exhaust tube special features, 0.125 inches all ends nominal thread size, threaded internal pipe 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.

Connection Type: threaded internal pipe all ends
Mounting Facility: bracket
Nominal Thread Size: 0.125 inches all ends
Special Features: w/synthetic rubber air exhaust tube
Material: zinc alloy body
Thread Series Designator: npt all ends

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
5549706	Safety Relief Valve
AR274-1L	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-971-4755?

The FSCG of the NSN 4820-00-971-4755 is 4820

Does the NSN 4820-00-971-4755 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-971-4755 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 4820-00-971-4755 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-971-4755 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 4820-00-971-4755 was assigned to the Federal Catalog?

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