4820-01-147-6456

Find complete technical information, availability, and procurement data for: 4820-01-147-6456
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-147-6456

Item Name Code

37648

Assigment Date

02/19/1983 (43 years ago)

A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. See also cap, vent, fuel storage tank. Excludes:ventalator (as modified).

steel mil-s-5626 or aisi 4140 zinc dichromate,hex body 0.750 in.w across flats by 0.875 in.lg tapped 1/2-20 unf-2b by 0.500 in.dp,seat 126.0 to 130.0 deg,thru hole 0.125 in.dia,thd end 9/16-18 unf-2a thd 0.375 in.lg,hex head plug 1.250 in.lg 1/2-20 unf-2a thd 0.437 in.lg,120.0 deg point heat treat quench and temper 50 to 60 rockwell c-scale special features

Product Characteristics

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

Special Features: steel mil-s-5626 or aisi 4140 zinc dichromate,hex body 0.750 in.w across flats by 0.875 in.lg tapped 1/2-20 unf-2b by 0.500 in.dp,seat 126.0 to 130.0 deg,thru hole 0.125 in.dia,thd end 9/16-18 unf-2a thd 0.375 in.lg,hex head plug 1.250 in.lg 1/2-20 unf-2a thd 0.437 in.lg,120.0 deg point heat treat quench and temper 50 to 60 rockwell c-scale

FAQs

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

What is the FSCG of the NSN 4820-01-147-6456?

The FSCG of the NSN 4820-01-147-6456 is 4820

Does the NSN 4820-01-147-6456 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-147-6456 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 4820-01-147-6456 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-147-6456 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 4820-01-147-6456 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Feb 19, 1983