4820-01-257-1770

Find complete technical information, availability, and procurement data for: 4820-01-257-1770
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-257-1770

Item Name Code

77777

Assigment Date

06/13/1987 (39 years ago)

material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications reference number differentiating characteristics, zzzy criticality code justification

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
803-4384536-7XXX-57	Seat Ring Special Wrench

FAQs

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

What is the FSCG of the NSN 4820-01-257-1770?

The FSCG of the NSN 4820-01-257-1770 is 4820

Does the NSN 4820-01-257-1770 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-257-1770 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-01-257-1770 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-257-1770 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 4820-01-257-1770 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Jun 13, 1987