4820-01-574-1770

Find complete technical information, availability, and procurement data for: 4820-01-574-1770
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-574-1770

Item Name Code

77777

Assigment Date

05/18/2009 (17 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

flame/bug screen part name assigned by controlling agency, nickel alloy material, flame arrester, vent end item identification

Product Characteristics

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

End Item Identification: flame arrester, vent
Part Name Assigned By Controlling Agency: flame/bug screen
Material: nickel alloy

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
4-1600FBC ITEM 2	Flame-Bug Screen
SCRN-4-40M-C	Flame-Bug Screen

FAQs

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

What is the FSCG of the NSN 4820-01-574-1770?

The FSCG of the NSN 4820-01-574-1770 is 4820

Does NSN 4820-01-574-1770 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 4820-01-574-1770 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-574-1770 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 4820-01-574-1770 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Mon, May 18, 2009